Search a number
-
+
51229547088 = 24319431306343
BaseRepresentation
bin101111101101100001…
…001101101001010000
311220020021102122010220
4233231201031221100
51314404231001323
635311242553040
73462341652066
oct575541155120
9156207378126
1051229547088
111a7a981aa75
129b18808780
134aa570ac95
14269db52036
1514ec7ba0e3
hexbed84da50

51229547088 has 80 divisors (see below), whose sum is σ = 142548257280. Its totient is φ = 15801512832.

The previous prime is 51229547087. The next prime is 51229547113. The reversal of 51229547088 is 88074592215.

51229547088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51229547088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51229547081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613956 + ... + 692387.

It is an arithmetic number, because the mean of its divisors is an integer number (1781853216).

Almost surely, 251229547088 is an apocalyptic number.

It is an amenable number.

51229547088 is an abundant number, since it is smaller than the sum of its proper divisors (91318710192).

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

51229547088 is a wasteful number, since it uses less digits than its factorization.

51229547088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306416 (or 1306410 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 51229547088 in words is "fifty-one billion, two hundred twenty-nine million, five hundred forty-seven thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 43 48 57 76 86 114 129 152 172 228 258 304 344 456 516 688 817 912 1032 1634 2064 2451 3268 4902 6536 9804 13072 19608 39216 1306343 2612686 3919029 5225372 7838058 10450744 15676116 20901488 24820517 31352232 49641034 56172749 62704464 74461551 99282068 112345498 148923102 168518247 198564136 224690996 297846204 337036494 397128272 449381992 595692408 674072988 898763984 1067282231 1191384816 1348145976 2134564462 2696291952 3201846693 4269128924 6403693386 8538257848 12807386772 17076515696 25614773544 51229547088