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51153766057 = 173743397963
BaseRepresentation
bin101111101001000000…
…001000011010101001
311220000222211120010001
4233221000020122221
51314230331003212
635255534423001
73460431560122
oct575100103251
9156028746101
1051153766057
111a76aa70619
129ab7361a61
134a92ac7034
142693a67049
1514e5ceb657
hexbe90086a9

51153766057 has 8 divisors (see below), whose sum is σ = 51518827584. Its totient is φ = 50789502288.

The previous prime is 51153766051. The next prime is 51153766067. The reversal of 51153766057 is 75066735115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51153766057 - 211 = 51153764009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51153765998 and 51153766016.

It is not an unprimeable number, because it can be changed into a prime (51153766051) 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, 70443 + ... + 327520.

It is an arithmetic number, because the mean of its divisors is an integer number (6439853448).

Almost surely, 251153766057 is an apocalyptic number.

It is an amenable number.

51153766057 is a deficient number, since it is larger than the sum of its proper divisors (365061527).

51153766057 is a wasteful number, since it uses less digits than its factorization.

51153766057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398879.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 51153766057 in words is "fifty-one billion, one hundred fifty-three million, seven hundred sixty-six thousand, fifty-seven".

Divisors: 1 173 743 128539 397963 68847599 295686509 51153766057