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51025435152 = 2431063029899
BaseRepresentation
bin101111100001010110…
…100101101000010000
311212201001100200012120
4233201112211220100
51314000002411102
635235112054240
73454313020416
oct574126455020
9155631320176
1051025435152
111a70458971a
129a80394380
134a723441a3
1426809bd2b6
1514d98ec6bc
hexbe15a5a10

51025435152 has 20 divisors (see below), whose sum is σ = 131815707600. Its totient is φ = 17008478368.

The previous prime is 51025435147. The next prime is 51025435189. The reversal of 51025435152 is 25153452015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531514902 + ... + 531514997.

It is an arithmetic number, because the mean of its divisors is an integer number (6590785380).

Almost surely, 251025435152 is an apocalyptic number.

It is an amenable number.

51025435152 is an abundant number, since it is smaller than the sum of its proper divisors (80790272448).

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

51025435152 is a wasteful number, since it uses less digits than its factorization.

51025435152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063029910 (or 1063029904 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 51025435152 its reverse (25153452015), we get a palindrome (76178887167).

The spelling of 51025435152 in words is "fifty-one billion, twenty-five million, four hundred thirty-five thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1063029899 2126059798 3189089697 4252119596 6378179394 8504239192 12756358788 17008478384 25512717576 51025435152