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51048485015 = 5111078674339
BaseRepresentation
bin101111100010101110…
…100001000010010111
311212202122201201200012
4233202232201002113
51314021403010030
635241254110435
73455012651243
oct574256410227
9155678651605
1051048485015
111a7165a23a0
129a8804b41b
134a77054868
142683a9d423
1514db952095
hexbe2ba1097

51048485015 has 16 divisors (see below), whose sum is σ = 67451667840. Its totient is φ = 36779193120.

The previous prime is 51048484997. The next prime is 51048485051. The reversal of 51048485015 is 51058484015.

51048485015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51048485015 - 214 = 51048468631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4331285 + ... + 4343054.

It is an arithmetic number, because the mean of its divisors is an integer number (4215729240).

Almost surely, 251048485015 is an apocalyptic number.

51048485015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51048485015 is a deficient number, since it is larger than the sum of its proper divisors (16403182825).

51048485015 is a wasteful number, since it uses less digits than its factorization.

51048485015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674462.

The product of its (nonzero) digits is 128000, while the sum is 41.

The spelling of 51048485015 in words is "fifty-one billion, forty-eight million, four hundred eighty-five thousand, fifteen".

Divisors: 1 5 11 55 107 535 1177 5885 8674339 43371695 95417729 477088645 928154273 4640771365 10209697003 51048485015