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49687866378204 = 2234140655531517
BaseRepresentation
bin10110100110000110110111…
…01000000000011111011100
320111221010001211200101101220
423103003123220000133130
523003041222243100304
6253402142442333340
713315554435415005
oct1323033350003734
9214833054611356
1049687866378204
111491756223518a
1256a5a11aba250
132195712b76702
14c3ac96c241ac
155b2767138ad9
hex2d30dba007dc

49687866378204 has 12 divisors (see below), whose sum is σ = 115938354882504. Its totient is φ = 16562622126064.

The previous prime is 49687866378193. The next prime is 49687866378229. The reversal of 49687866378204 is 40287366878694.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 49687866378204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2070327765747 + ... + 2070327765770.

It is an arithmetic number, because the mean of its divisors is an integer number (9661529573542).

Almost surely, 249687866378204 is an apocalyptic number.

It is an amenable number.

49687866378204 is an abundant number, since it is smaller than the sum of its proper divisors (66250488504300).

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

49687866378204 is a wasteful number, since it uses less digits than its factorization.

49687866378204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140655531524 (or 4140655531522 counting only the distinct ones).

The product of its (nonzero) digits is 4682022912, while the sum is 78.

The spelling of 49687866378204 in words is "forty-nine trillion, six hundred eighty-seven billion, eight hundred sixty-six million, three hundred seventy-eight thousand, two hundred four".

Divisors: 1 2 3 4 6 12 4140655531517 8281311063034 12421966594551 16562622126068 24843933189102 49687866378204