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20014686808 = 2316714981053
BaseRepresentation
bin10010101000111101…
…111110001001011000
31220122212011102202121
4102220331332021120
5311442224434213
613110012111024
71305661013404
oct225075761130
956585142677
1020014686808
118540850486
123a66a65474
131b6c74a85c
14d7c22a104
157c21bc88d
hex4a8f7e258

20014686808 has 16 divisors (see below), whose sum is σ = 37752256080. Its totient is φ = 9947418528.

The previous prime is 20014686751. The next prime is 20014686817. The reversal of 20014686808 is 80868641002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7489191 + ... + 7491862.

It is an arithmetic number, because the mean of its divisors is an integer number (2359516005).

Almost surely, 220014686808 is an apocalyptic number.

It is an amenable number.

20014686808 is a deficient number, since it is larger than the sum of its proper divisors (17737569272).

20014686808 is a wasteful number, since it uses less digits than its factorization.

20014686808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14981226 (or 14981222 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 20014686808 in words is "twenty billion, fourteen million, six hundred eighty-six thousand, eight hundred eight".

Divisors: 1 2 4 8 167 334 668 1336 14981053 29962106 59924212 119848424 2501835851 5003671702 10007343404 20014686808