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85394399160 = 23357234574201
BaseRepresentation
bin100111110000111100…
…1110001111110111000
322011102021121221111110
41033201321301332320
52344341431233120
6103121334200320
76112103262600
oct1174171617670
9264367557443
1085394399160
1133240a04004
12146724b30a0
13808b8c3895
1441c1383c00
15234bd7e2e0
hex13e1e71fb8

85394399160 has 192 divisors, whose sum is σ = 298166188320. Its totient is φ = 19508428800.

The previous prime is 85394399131. The next prime is 85394399161. The reversal of 85394399160 is 6199349358.

It is a self number, because there is not a number n which added to its sum of digits gives 85394399160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85394399161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20325060 + ... + 20329260.

Almost surely, 285394399160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85394399160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149083094160).

85394399160 is an abundant number, since it is smaller than the sum of its proper divisors (212771789160).

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

85394399160 is a wasteful number, since it uses less digits than its factorization.

85394399160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7686 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 85394399160 in words is "eighty-five billion, three hundred ninety-four million, three hundred ninety-nine thousand, one hundred sixty".