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51132485048 = 236391560631
BaseRepresentation
bin101111100111101110…
…111100110110111000
311212222111210101001112
4233213232330312320
51314204404010143
635253454335452
73460052644301
oct574756746670
9155874711045
1051132485048
111a759a55907
129ab01ba588
134a8b585818
142690cc77a8
1514e3ee5e18
hexbe7bbcdb8

51132485048 has 8 divisors (see below), whose sum is σ = 95873409480. Its totient is φ = 25566242520.

The previous prime is 51132484957. The next prime is 51132485081. The reversal of 51132485048 is 84058423115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×511324850482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51132484996 and 51132485014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195780308 + ... + 3195780323.

It is an arithmetic number, because the mean of its divisors is an integer number (11984176185).

Almost surely, 251132485048 is an apocalyptic number.

It is an amenable number.

51132485048 is a deficient number, since it is larger than the sum of its proper divisors (44740924432).

51132485048 is a wasteful number, since it uses less digits than its factorization.

51132485048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391560637 (or 6391560633 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 51132485048 in words is "fifty-one billion, one hundred thirty-two million, four hundred eighty-five thousand, forty-eight".

Divisors: 1 2 4 8 6391560631 12783121262 25566242524 51132485048