Search a number
-
+
51120500232 = 2332130020843
BaseRepresentation
bin101111100111000001…
…001110111000001000
311212221200020110222110
4233213001032320020
51314143322001412
635252345422320
73456546040164
oct574701167010
9155850213873
1051120500232
111a75320a4aa
129aa819a9a0
134a88c4a709
14268d487ca4
1514e2e29d3c
hexbe704ee08

51120500232 has 16 divisors (see below), whose sum is σ = 127801250640. Its totient is φ = 17040166736.

The previous prime is 51120500159. The next prime is 51120500239. The reversal of 51120500232 is 23200502115.

It is a super-2 number, since 2×511205002322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51120500199 and 51120500208.

It is not an unprimeable number, because it can be changed into a prime (51120500239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065010398 + ... + 1065010445.

It is an arithmetic number, because the mean of its divisors is an integer number (7987578165).

Almost surely, 251120500232 is an apocalyptic number.

It is an amenable number.

51120500232 is an abundant number, since it is smaller than the sum of its proper divisors (76680750408).

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

51120500232 is a wasteful number, since it uses less digits than its factorization.

51120500232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130020852 (or 2130020848 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 51120500232 in words is "fifty-one billion, one hundred twenty million, five hundred thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 2130020843 4260041686 6390062529 8520083372 12780125058 17040166744 25560250116 51120500232