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85168884660 = 22351419481411
BaseRepresentation
bin100111101010001110…
…1100000101110110100
322010211120021121202120
41033110131200232310
52343411213302120
6103043120435540
76103364401116
oct1172435405664
9263746247676
1085168884660
1133135684692
121460aa78bb0
138053c75152
14419d43d3b6
152337185140
hex13d4760bb4

85168884660 has 24 divisors (see below), whose sum is σ = 238472877216. Its totient is φ = 22711702560.

The previous prime is 85168884643. The next prime is 85168884707. The reversal of 85168884660 is 6648886158.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 1419481411 = 85168884660 / (8 + 5 + 1 + 6 + 8 + 8 + 8 + 4 + 6 + 6 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 85168884594 and 85168884603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709740646 + ... + 709740765.

It is an arithmetic number, because the mean of its divisors is an integer number (9936369884).

Almost surely, 285168884660 is an apocalyptic number.

It is an amenable number.

85168884660 is an abundant number, since it is smaller than the sum of its proper divisors (153303992556).

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

85168884660 is a wasteful number, since it uses less digits than its factorization.

85168884660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419481423 (or 1419481421 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 60.

The spelling of 85168884660 in words is "eighty-five billion, one hundred sixty-eight million, eight hundred eighty-four thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1419481411 2838962822 4258444233 5677925644 7097407055 8516888466 14194814110 17033776932 21292221165 28389628220 42584442330 85168884660