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51478056374982 = 238579676062497
BaseRepresentation
bin10111011010001101010110…
…10000111001001011000110
320202021020212020222202022220
423231012223100321023012
523221404024412444412
6301252405335033210
713562111140336416
oct1355065320711306
9222236766882286
1051478056374982
11154477a2880196
125934960b0b806
13229548a895583
14c9d7a07aa646
155e40e081468c
hex2ed1ab4392c6

51478056374982 has 8 divisors (see below), whose sum is σ = 102956112749976. Its totient is φ = 17159352124992.

The previous prime is 51478056374963. The next prime is 51478056375073. The reversal of 51478056374982 is 28947365087415.

51478056374982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

51478056374982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4289838031243 + ... + 4289838031254.

It is an arithmetic number, because the mean of its divisors is an integer number (12869514093747).

It is a 1-persistent number, because it is pandigital, but 2⋅51478056374982 = 102956112749964 is not.

Almost surely, 251478056374982 is an apocalyptic number.

51478056374982 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.

51478056374982 is a wasteful number, since it uses less digits than its factorization.

51478056374982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579676062502.

The product of its (nonzero) digits is 406425600, while the sum is 69.

The spelling of 51478056374982 in words is "fifty-one trillion, four hundred seventy-eight billion, fifty-six million, three hundred seventy-four thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 8579676062497 17159352124994 25739028187491 51478056374982