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78085057796 = 22191027434971
BaseRepresentation
bin100100010111000111…
…0110110110100000100
321110112212210221010122
41020232032312310010
52234404233322141
655512145441112
75433010016504
oct1105616666404
9243485727118
1078085057796
113012aa85719
1213172640198
13749549c015
143aca701a04
15207030d64b
hex122e3b6d04

78085057796 has 12 divisors (see below), whose sum is σ = 143840896080. Its totient is φ = 36987658920.

The previous prime is 78085057783. The next prime is 78085057867. The reversal of 78085057796 is 69775058087.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513717410 + ... + 513717561.

It is an arithmetic number, because the mean of its divisors is an integer number (11986741340).

Almost surely, 278085057796 is an apocalyptic number.

78085057796 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

78085057796 is a deficient number, since it is larger than the sum of its proper divisors (65755838284).

78085057796 is a wasteful number, since it uses less digits than its factorization.

78085057796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027434994 (or 1027434992 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 62.

The spelling of 78085057796 in words is "seventy-eight billion, eighty-five million, fifty-seven thousand, seven hundred ninety-six".

Divisors: 1 2 4 19 38 76 1027434971 2054869942 4109739884 19521264449 39042528898 78085057796