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51677774038 = 2113977959051
BaseRepresentation
bin110000001000001111…
…000100000011010110
311221101111211220221001
4300020033010003112
51321314002232123
635423534013514
73506423555152
oct601017040326
9157344756831
1051677774038
111aa09835570
12a02294729a
134b47536927
1427034ac062
151526d080ad
hexc083c40d6

51677774038 has 16 divisors (see below), whose sum is σ = 84567188160. Its totient is φ = 23488909000.

The previous prime is 51677774023. The next prime is 51677774041. The reversal of 51677774038 is 83047777615.

It is a self number, because there is not a number n which added to its sum of digits gives 51677774038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845613 + ... + 904663.

It is an arithmetic number, because the mean of its divisors is an integer number (5285449260).

Almost surely, 251677774038 is an apocalyptic number.

51677774038 is a deficient number, since it is larger than the sum of its proper divisors (32889414122).

51677774038 is a wasteful number, since it uses less digits than its factorization.

51677774038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98843.

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 51677774038 in words is "fifty-one billion, six hundred seventy-seven million, seven hundred seventy-four thousand, thirty-eight".

Divisors: 1 2 11 22 39779 59051 79558 118102 437569 649561 875138 1299122 2348989729 4697979458 25838887019 51677774038