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21075364314 = 2321398423407
BaseRepresentation
bin10011101000001100…
…001000100111011010
32000101210000102202200
4103220030020213122
5321130243124224
613403142111030
71344160432554
oct235014104732
960353012680
1021075364314
118a35548164
12410211b476
131cab411194
14103d0504d4
158353875c9
hex4e83089da

21075364314 has 24 divisors (see below), whose sum is σ = 45991807680. Its totient is φ = 6974580168.

The previous prime is 21075364259. The next prime is 21075364351. The reversal of 21075364314 is 41346357012.

21075364314 is a `hidden beast` number, since 2 + 1 + 0 + 7 + 5 + 3 + 643 + 1 + 4 = 666.

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, 4209202 + ... + 4214205.

It is an arithmetic number, because the mean of its divisors is an integer number (1916325320).

Almost surely, 221075364314 is an apocalyptic number.

21075364314 is an abundant number, since it is smaller than the sum of its proper divisors (24916443366).

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

21075364314 is a wasteful number, since it uses less digits than its factorization.

21075364314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423554 (or 8423551 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 21075364314 in words is "twenty-one billion, seventy-five million, three hundred sixty-four thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 139 278 417 834 1251 2502 8423407 16846814 25270221 50540442 75810663 151621326 1170853573 2341707146 3512560719 7025121438 10537682157 21075364314