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85286461553029 = 117753314686639
BaseRepresentation
bin10011011001000101001101…
…001111101011100110000101
3102011222022021010220210221101
4103121011031033223212011
542134313133124144104
6501220020510220101
723651513010654232
oct2331051517534605
9364868233823841
1085286461553029
11251a1870151350
1296951074b4631
13387862bc595c9
14170bc5b3d0789
159cd76aea75a4
hex4d914d3eb985

85286461553029 has 4 divisors (see below), whose sum is σ = 93039776239680. Its totient is φ = 77533146866380.

The previous prime is 85286461553003. The next prime is 85286461553089. The reversal of 85286461553029 is 92035516468258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85286461553029 - 233 = 85277871618437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85286461553089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3876657343309 + ... + 3876657343330.

It is an arithmetic number, because the mean of its divisors is an integer number (23259944059920).

Almost surely, 285286461553029 is an apocalyptic number.

It is an amenable number.

85286461553029 is a deficient number, since it is larger than the sum of its proper divisors (7753314686651).

85286461553029 is a wasteful number, since it uses less digits than its factorization.

85286461553029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7753314686650.

The product of its (nonzero) digits is 124416000, while the sum is 64.

The spelling of 85286461553029 in words is "eighty-five trillion, two hundred eighty-six billion, four hundred sixty-one million, five hundred fifty-three thousand, twenty-nine".

Divisors: 1 11 7753314686639 85286461553029