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51060311008 = 257227947817
BaseRepresentation
bin101111100011011011…
…101000001111100000
311212210110222112212221
4233203123220033200
51314032414423013
635242355400424
73455215324330
oct574333501740
9155713875787
1051060311008
111a72223a443
129a8bbb3114
134a796355a5
14268549b0c0
1514dc9db08d
hexbe36e83e0

51060311008 has 24 divisors (see below), whose sum is σ = 114885700272. Its totient is φ = 21882990336.

The previous prime is 51060310993. The next prime is 51060311047. The reversal of 51060311008 is 80011306015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113973685 + ... + 113974132.

It is an arithmetic number, because the mean of its divisors is an integer number (4786904178).

Almost surely, 251060311008 is an apocalyptic number.

It is an amenable number.

51060311008 is an abundant number, since it is smaller than the sum of its proper divisors (63825389264).

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

51060311008 is a wasteful number, since it uses less digits than its factorization.

51060311008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227947834 (or 227947826 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 51060311008 in words is "fifty-one billion, sixty million, three hundred eleven thousand, eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 227947817 455895634 911791268 1595634719 1823582536 3191269438 3647165072 6382538876 7294330144 12765077752 25530155504 51060311008