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51030825356 = 2271822529477
BaseRepresentation
bin101111100001101011…
…001001100110001100
311212201102111112011202
4233201223021212030
51314002342402411
635235423405032
73454406600330
oct574153114614
9155642445152
1051030825356
111a707630435
129a82153778
134a734b0764
1426815c37c0
1514da11483b
hexbe1ac998c

51030825356 has 12 divisors (see below), whose sum is σ = 102061650768. Its totient is φ = 21870353712.

The previous prime is 51030825353. The next prime is 51030825359. The reversal of 51030825356 is 65352803015.

51030825356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51030825353) and next prime (51030825359).

51030825356 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51030825353) 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, 911264711 + ... + 911264766.

It is an arithmetic number, because the mean of its divisors is an integer number (8505137564).

Almost surely, 251030825356 is an apocalyptic number.

It is an amenable number.

51030825356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51030825356 is a wasteful number, since it uses less digits than its factorization.

51030825356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822529488 (or 1822529486 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 51030825356 in words is "fifty-one billion, thirty million, eight hundred twenty-five thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 1822529477 3645058954 7290117908 12757706339 25515412678 51030825356