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51050528889 = 317016842963
BaseRepresentation
bin101111100010110110…
…010100000001111001
311212202210120120100020
4233202312110001321
51314022413411024
635241410001053
73455036223123
oct574266240171
9155683516306
1051050528889
111a717768a48
129a88876189
134a775bbc59
142684072213
1514dbc07979
hexbe2d94079

51050528889 has 4 divisors (see below), whose sum is σ = 68067371856. Its totient is φ = 34033685924.

The previous prime is 51050528873. The next prime is 51050528911. The reversal of 51050528889 is 98882505015.

51050528889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51050528889 - 24 = 51050528873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51050528839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8508421479 + ... + 8508421484.

It is an arithmetic number, because the mean of its divisors is an integer number (17016842964).

Almost surely, 251050528889 is an apocalyptic number.

It is an amenable number.

51050528889 is a deficient number, since it is larger than the sum of its proper divisors (17016842967).

51050528889 is a wasteful number, since it uses less digits than its factorization.

51050528889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17016842966.

The product of its (nonzero) digits is 1152000, while the sum is 51.

The spelling of 51050528889 in words is "fifty-one billion, fifty million, five hundred twenty-eight thousand, eight hundred eighty-nine".

Divisors: 1 3 17016842963 51050528889