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78713983704 = 2333279749321
BaseRepresentation
bin100100101001110111…
…0000001001011011000
321112011201020200021210
41021103232001023120
52242201234434304
6100054413503120
75454414551646
oct1112356011330
9245151220253
1078713983704
1130422a9aaa4
12133091a1aa0
137565884a25
143b4a058196
1520aa641c89
hex1253b812d8

78713983704 has 16 divisors (see below), whose sum is σ = 196784959320. Its totient is φ = 26237994560.

The previous prime is 78713983697. The next prime is 78713983741. The reversal of 78713983704 is 40738931787.

It is a happy number.

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, 1639874637 + ... + 1639874684.

Almost surely, 278713983704 is an apocalyptic number.

It is an amenable number.

78713983704 is an abundant number, since it is smaller than the sum of its proper divisors (118070975616).

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

78713983704 is a wasteful number, since it uses less digits than its factorization.

78713983704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279749330 (or 3279749326 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 78713983704 in words is "seventy-eight billion, seven hundred thirteen million, nine hundred eighty-three thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 24 3279749321 6559498642 9839247963 13118997284 19678495926 26237994568 39356991852 78713983704