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85160880001 = 1929577267863
BaseRepresentation
bin100111101001111111…
…0111110011110000001
322010211000012221102201
41033103332332132001
52343402141130001
6103042233113201
76103236351661
oct1172376763601
9263730187381
1085160880001
113313110766a
1214608258801
138052401872
14419c3581a1
152336603501
hex13d3fbe781

85160880001 has 16 divisors (see below), whose sum is σ = 92895235200. Its totient is φ = 77761410048.

The previous prime is 85160879989. The next prime is 85160880023. The reversal of 85160880001 is 10008806158.

It is not a de Polignac number, because 85160880001 - 217 = 85160748929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85160880041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183996 + ... + 451858.

It is an arithmetic number, because the mean of its divisors is an integer number (5805952200).

Almost surely, 285160880001 is an apocalyptic number.

It is an amenable number.

85160880001 is a deficient number, since it is larger than the sum of its proper divisors (7734355199).

85160880001 is a wasteful number, since it uses less digits than its factorization.

85160880001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268488.

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 85160880001 in words is "eighty-five billion, one hundred sixty million, eight hundred eighty thousand, one".

Divisors: 1 19 29 551 577 10963 16733 267863 317927 5089397 7768027 147592513 154556951 2936582069 4482151579 85160880001