Search a number
-
+
5111303021550 = 23252111292379903
BaseRepresentation
bin100101001100001000101…
…1001101010001111101110
3200002122011111101110022200
41022120101121222033232
51132220422033142200
614512033350322330
71035164565556215
oct112302131521756
920078144343280
105111303021550
1116a0767338a90
126a67310593a6
132b0cbc51652b
14139561a3607c
158ce53e04800
hex4a61166a3ee

5111303021550 has 144 divisors (see below), whose sum is σ = 14982111226368. Its totient is φ = 1238992372800.

The previous prime is 5111303021507. The next prime is 5111303021563. The reversal of 5111303021550 is 551203031115.

5111303021550 is a `hidden beast` number, since 51 + 1 + 1 + 30 + 30 + 2 + 1 + 550 = 666.

It is a super-2 number, since 2×51113030215502 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63928899 + ... + 64008801.

It is an arithmetic number, because the mean of its divisors is an integer number (104042439072).

Almost surely, 25111303021550 is an apocalyptic number.

5111303021550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111303021550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7491055613184).

5111303021550 is an abundant number, since it is smaller than the sum of its proper divisors (9870808204818).

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

5111303021550 is a wasteful number, since it uses less digits than its factorization.

5111303021550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92855 (or 92847 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 5111303021550 its reverse (551203031115), we get a palindrome (5662506052665).

The spelling of 5111303021550 in words is "five trillion, one hundred eleven billion, three hundred three million, twenty-one thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 25 30 33 45 50 55 66 75 90 99 110 150 165 198 225 275 330 450 495 550 825 990 1650 2475 4950 12923 25846 38769 64615 77538 79903 116307 129230 142153 159806 193845 232614 239709 284306 323075 387690 399515 426459 479418 581535 646150 710765 719127 799030 852918 878933 969225 1163070 1198545 1279377 1421530 1438254 1757866 1938450 1997575 2132295 2397090 2558754 2636799 2907675 3553825 3595635 3995150 4264590 4394665 5273598 5815350 5992725 6396885 7107650 7191270 7910397 8789330 10661475 11985450 12793770 13183995 15820794 17978175 21322950 21973325 26367990 31984425 35956350 39551985 43946650 63968850 65919975 79103970 131839950 197759925 395519850 1032586469 2065172938 3097759407 5162932345 6195518814 9293278221 10325864690 11358451159 15488797035 18586556442 22716902318 25814661725 30977594070 34075353477 46466391105 51629323450 56792255795 68150706954 77443985175 92932782210 102226060431 113584511590 154887970350 170376767385 204452120862 232331955525 283961278975 340753534770 464663911050 511130302155 567922557950 851883836925 1022260604310 1703767673850 2555651510775 5111303021550