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54798100372988 = 2279542292050949
BaseRepresentation
bin11000111010110101011010…
…10011101001110111111100
321012000122110211111122200122
430131122231103221313330
524140303002143413423
6312313522204114112
714354014003602140
oct1435325523516774
9235018424448618
1054798100372988
1116507820093575
1261902a4b35938
132476591a6520b
14d763568a1220
156506572748c8
hex31d6ad4e9dfc

54798100372988 has 24 divisors (see below), whose sum is σ = 109596369036000. Its totient is φ = 23484864097728.

The previous prime is 54798100372913. The next prime is 54798100372991. The reversal of 54798100372988 is 88927300189745.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25692938 + ... + 27743886.

It is an arithmetic number, because the mean of its divisors is an integer number (4566515376500).

Almost surely, 254798100372988 is an apocalyptic number.

It is an amenable number.

54798100372988 is an abundant number, since it is smaller than the sum of its proper divisors (54798268663012).

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

54798100372988 is a wasteful number, since it uses less digits than its factorization.

54798100372988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005189 (or 3005187 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 71.

The spelling of 54798100372988 in words is "fifty-four trillion, seven hundred ninety-eight billion, one hundred million, three hundred seventy-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 954229 1908458 2050949 3816916 4101898 6679603 8203796 13359206 14356643 26718412 28713286 57426572 1957075013321 3914150026642 7828300053284 13699525093247 27399050186494 54798100372988