Search a number
-
+
50015238886458 = 2341779983233861
BaseRepresentation
bin10110101111101000101001…
…00011000001010000111010
320120002102001222210220110000
423113310110203001100322
523023422202123331313
6254212403351333430
713351324150004406
oct1327642443012072
9216072058726400
1050015238886458
1114a3338650302a
125739356381276
1321ba5558c0061
14c4ca71454106
155bb027910673
hex2d7d148c143a

50015238886458 has 160 divisors (see below), whose sum is σ = 120288435125760. Its totient is φ = 15476607843840.

The previous prime is 50015238886451. The next prime is 50015238886471. The reversal of 50015238886458 is 85468883251005.

It is a happy number.

50015238886458 is a `hidden beast` number, since 5 + 0 + 0 + 1 + 5 + 23 + 88 + 86 + 458 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50015238886395 and 50015238886404.

It is not an unprimeable number, because it can be changed into a prime (50015238886451) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 213750448 + ... + 213984308.

It is an arithmetic number, because the mean of its divisors is an integer number (751802719536).

Almost surely, 250015238886458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50015238886458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60144217562880).

50015238886458 is an abundant number, since it is smaller than the sum of its proper divisors (70273196239302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50015238886458 is a wasteful number, since it uses less digits than its factorization.

50015238886458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234954 (or 234945 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 63.

The spelling of 50015238886458 in words is "fifty trillion, fifteen billion, two hundred thirty-eight million, eight hundred eighty-six thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 79 81 102 153 158 162 237 306 459 474 711 918 983 1343 1377 1422 1966 2133 2686 2754 2949 4029 4266 5898 6399 8058 8847 12087 12798 16711 17694 24174 26541 33422 36261 50133 53082 72522 77657 79623 100266 108783 150399 155314 159246 217566 232971 233861 300798 451197 465942 467722 698913 701583 902394 1320169 1353591 1397826 1403166 2096739 2104749 2640338 2707182 3960507 3975637 4193478 4209498 6290217 6314247 7921014 7951274 11881521 11926911 12580434 12628494 18475019 18942741 23763042 23853822 35644563 35780733 36950038 37885482 55425057 71289126 71561466 106933689 107342199 110850114 166275171 213867378 214684398 229885363 314075323 322026597 332550342 459770726 498825513 628150646 644053194 689656089 942225969 997651026 1379312178 1496476539 1884451938 2068968267 2826677907 2992953078 3908051171 4137936534 5653355814 6206904801 7816102342 8480033721 11724153513 12413809602 16960067442 18160943677 18620714403 23448307026 25440101163 35172460539 36321887354 37241428806 50880202326 54482831031 70344921078 105517381617 108965662062 163448493093 211034763234 308736042509 316552144851 326896986186 490345479279 617472085018 633104289702 926208127527 980690958558 1471036437837 1852416255054 2778624382581 2942072875674 5557248765162 8335873147743 16671746295486 25007619443229 50015238886458