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51078795024 = 2432207948197
BaseRepresentation
bin101111100100100010…
…001000111100010000
311212211202202122012010
4233210202020330100
51314102132420044
635244255502520
73455531410515
oct574442107420
9155752678163
1051078795024
111a731714794
129a96227a40
134a8040798a
142687b0d30c
1514de43cbb9
hexbe4888f10

51078795024 has 40 divisors (see below), whose sum is σ = 131962268160. Its totient is φ = 17025140608.

The previous prime is 51078795023. The next prime is 51078795037. The reversal of 51078795024 is 42059787015.

It is a super-2 number, since 2×510787950242 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (51078795023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035694 + ... + 1083890.

It is an arithmetic number, because the mean of its divisors is an integer number (3299056704).

Almost surely, 251078795024 is an apocalyptic number.

It is an amenable number.

51078795024 is an abundant number, since it is smaller than the sum of its proper divisors (80883473136).

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

51078795024 is a wasteful number, since it uses less digits than its factorization.

51078795024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70287 (or 70281 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 51078795024 in words is "fifty-one billion, seventy-eight million, seven hundred ninety-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 22079 44158 48197 66237 88316 96394 132474 144591 176632 192788 264948 289182 353264 385576 529896 578364 771152 1059792 1156728 2313456 1064141563 2128283126 3192424689 4256566252 6384849378 8513132504 12769698756 17026265008 25539397512 51078795024