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85280315166 = 23226091815943
BaseRepresentation
bin100111101101100011…
…0100101011100011110
322011010022221212200100
41033123012211130132
52344123230041131
6103102141041530
76106216501314
oct1173306453436
9264108855610
1085280315166
1133192573012
12146402562a6
13807108b667
1441b01680b4
152341d467e6
hex13db1a571e

85280315166 has 24 divisors (see below), whose sum is σ = 184844939760. Its totient is φ = 28415860416.

The previous prime is 85280315119. The next prime is 85280315209. The reversal of 85280315166 is 66151308258.

85280315166 is a `hidden beast` number, since 8 + 52 + 80 + 3 + 1 + 516 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 861010 + ... + 954933.

It is an arithmetic number, because the mean of its divisors is an integer number (7701872490).

Almost surely, 285280315166 is an apocalyptic number.

85280315166 is an abundant number, since it is smaller than the sum of its proper divisors (99564624594).

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

85280315166 is a wasteful number, since it uses less digits than its factorization.

85280315166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818560 (or 1818557 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 85280315166 in words is "eighty-five billion, two hundred eighty million, three hundred fifteen thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 18 2609 5218 7827 15654 23481 46962 1815943 3631886 5447829 10895658 16343487 32686974 4737795287 9475590574 14213385861 28426771722 42640157583 85280315166