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5108420700978 = 2371131591074851
BaseRepresentation
bin100101001010110010110…
…0110011110101100110010
3200002100201121210101210220
41022111211212132230302
51132144021144412403
614510435344233510
71035033266341230
oct112254546365462
920070647711726
105108420700978
11169a518344971
126a606790b896
132b09503258ba
1413936ad03950
158cd35d58953
hex4a56599eb32

5108420700978 has 32 divisors (see below), whose sum is σ = 11676504222720. Its totient is φ = 1459534515600.

The previous prime is 5108420700863. The next prime is 5108420701031. The reversal of 5108420700978 is 8790070248015.

It is a self number, because there is not a number n which added to its sum of digits gives 5108420700978.

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, 4215253 + ... + 5290103.

It is an arithmetic number, because the mean of its divisors is an integer number (364890756960).

Almost surely, 25108420700978 is an apocalyptic number.

5108420700978 is an abundant number, since it is smaller than the sum of its proper divisors (6568083521742).

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

5108420700978 is a wasteful number, since it uses less digits than its factorization.

5108420700978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188022.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 5108420700978 in words is "five trillion, one hundred eight billion, four hundred twenty million, seven hundred thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 113159 226318 339477 678954 792113 1074851 1584226 2149702 2376339 3224553 4752678 6449106 7523957 15047914 22571871 45143742 121629064309 243258128618 364887192927 729774385854 851403450163 1702806900326 2554210350489 5108420700978