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78800349796 = 2272200512
BaseRepresentation
bin100100101100011011…
…1011110101001100100
321112101201202112021221
41021120313132221210
52242340342143141
6100111140550124
75456513631100
oct1113067365144
9245351675257
1078800349796
113046781a133
12133320b2344
13757a73391c
143b576da900
1520b3001bd1
hex1258ddea64

78800349796 has 27 divisors (see below), whose sum is σ = 160422998547. Its totient is φ = 33769894200.

The previous prime is 78800349773. The next prime is 78800349811. The reversal of 78800349796 is 69794300887.

The square root of 78800349796 is 280714.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3919971 + ... + 3940021.

Almost surely, 278800349796 is an apocalyptic number.

78800349796 is the 280714-th square number.

It is an amenable number.

78800349796 is an abundant number, since it is smaller than the sum of its proper divisors (81622648751).

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

78800349796 is an frugal number, since it uses more digits than its factorization.

78800349796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40120 (or 20060 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 78800349796 in words is "seventy-eight billion, eight hundred million, three hundred forty-nine thousand, seven hundred ninety-six".

Divisors: 1 2 4 7 14 28 49 98 196 20051 40102 80204 140357 280714 561428 982499 1964998 3929996 402042601 804085202 1608170404 2814298207 5628596414 11257192828 19700087449 39400174898 78800349796