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16675985612 = 22111329153821
BaseRepresentation
bin11111000011111011…
…10101100011001100
31121001011210211201202
433201331311203030
5233123023014422
611354424125032
71130150352566
oct174175654314
947034724652
1016675985612
1170881828a0
123294906778
131759b37c10
14b42a58336
15679022b92
hex3e1f758cc

16675985612 has 24 divisors (see below), whose sum is σ = 34284894672. Its totient is φ = 6996916800.

The previous prime is 16675985611. The next prime is 16675985647. The reversal of 16675985612 is 21658957661.

It is a super-2 number, since 2×166759856122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16675985611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14576339 + ... + 14577482.

It is an arithmetic number, because the mean of its divisors is an integer number (1428537278).

Almost surely, 216675985612 is an apocalyptic number.

It is an amenable number.

16675985612 is an abundant number, since it is smaller than the sum of its proper divisors (17608909060).

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

16675985612 is a wasteful number, since it uses less digits than its factorization.

16675985612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29153849 (or 29153847 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 56.

The spelling of 16675985612 in words is "sixteen billion, six hundred seventy-five million, nine hundred eighty-five thousand, six hundred twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 29153821 58307642 116615284 320692031 378999673 641384062 757999346 1282768124 1515998692 4168996403 8337992806 16675985612