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9684686907 = 327153725189
BaseRepresentation
bin10010000010100000…
…01001100000111011
3220222221110001212200
421001100021200323
5124313234440112
64241000241243
7461665323540
oct110120114073
926887401780
109684686907
11411a831685
121a63470223
13bb458a68c
1467c324bc7
153ba376cdc
hex24140983b

9684686907 has 12 divisors (see below), whose sum is σ = 15987419760. Its totient is φ = 5534106768.

The previous prime is 9684686903. The next prime is 9684686917. The reversal of 9684686907 is 7096864869.

It is not a de Polignac number, because 9684686907 - 22 = 9684686903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 153725189 = 9684686907 / (9 + 6 + 8 + 4 + 6 + 8 + 6 + 9 + 0 + 7).

It is not an unprimeable number, because it can be changed into a prime (9684686903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76862532 + ... + 76862657.

It is an arithmetic number, because the mean of its divisors is an integer number (1332284980).

Almost surely, 29684686907 is an apocalyptic number.

9684686907 is a deficient number, since it is larger than the sum of its proper divisors (6302732853).

9684686907 is a wasteful number, since it uses less digits than its factorization.

9684686907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153725202 (or 153725199 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The square root of 9684686907 is about 98410.8068608321. The cubic root of 9684686907 is about 2131.5483835010.

The spelling of 9684686907 in words is "nine billion, six hundred eighty-four million, six hundred eighty-six thousand, nine hundred seven".

Divisors: 1 3 7 9 21 63 153725189 461175567 1076076323 1383526701 3228228969 9684686907