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51056050026 = 23231372700521
BaseRepresentation
bin101111100011001011…
…010111111101101010
311212210011222001220210
4233203023113331222
51314030322100101
635242124201550
73455134156542
oct574313277552
9155704861823
1051056050026
111a71a89a073
129a8a6992b6
134a787a2cb7
142684aac322
1514dc4487d6
hexbe32d7f6a

51056050026 has 32 divisors (see below), whose sum is σ = 107329546368. Its totient is φ = 16159911680.

The previous prime is 51056049959. The next prime is 51056050027. The reversal of 51056050026 is 62005065015.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51056049975 and 51056050002.

It is not an unprimeable number, because it can be changed into a prime (51056050027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331355 + ... + 1369166.

It is an arithmetic number, because the mean of its divisors is an integer number (3354048324).

Almost surely, 251056050026 is an apocalyptic number.

51056050026 is an abundant number, since it is smaller than the sum of its proper divisors (56273496342).

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

51056050026 is a wasteful number, since it uses less digits than its factorization.

51056050026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700686.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 51056050026 in words is "fifty-one billion, fifty-six million, fifty thousand, twenty-six".

Divisors: 1 2 3 6 23 46 69 137 138 274 411 822 3151 6302 9453 18906 2700521 5401042 8101563 16203126 62111983 124223966 186335949 369971377 372671898 739942754 1109914131 2219828262 8509341671 17018683342 25528025013 51056050026