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85589315823 = 31123112765897
BaseRepresentation
bin100111110110110000…
…1010101000011101111
322011220212101201220010
41033231201111003233
52400241331101243
6103152540024303
76116661116004
oct1175541250357
9264825351803
1085589315823
1133330a34860
1214707832093
1380c00bb19b
1441dd2018ab
15235e032433
hex13ed8550ef

85589315823 has 16 divisors (see below), whose sum is σ = 129906314496. Its totient is φ = 49616994240.

The previous prime is 85589315821. The next prime is 85589315837. The reversal of 85589315823 is 32851398558.

It is not a de Polignac number, because 85589315823 - 21 = 85589315821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85589315821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56382190 + ... + 56383707.

It is an arithmetic number, because the mean of its divisors is an integer number (8119144656).

Almost surely, 285589315823 is an apocalyptic number.

85589315823 is a deficient number, since it is larger than the sum of its proper divisors (44316998673).

85589315823 is a wasteful number, since it uses less digits than its factorization.

85589315823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112765934.

The product of its digits is 10368000, while the sum is 57.

The spelling of 85589315823 in words is "eighty-five billion, five hundred eighty-nine million, three hundred fifteen thousand, eight hundred twenty-three".

Divisors: 1 3 11 23 33 69 253 759 112765897 338297691 1240424867 2593615631 3721274601 7780846893 28529771941 85589315823