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18307014866 = 274093319483
BaseRepresentation
bin10001000011001011…
…101110000011010010
31202020211212201020122
4101003023232003102
5244443043433431
612224330510242
71215444026120
oct210313560322
952224781218
1018307014866
117844918258
12366ab95382
131959a1629a
14c59508910
15722300a7b
hex4432ee0d2

18307014866 has 16 divisors (see below), whose sum is σ = 31391219904. Its totient is φ = 7843922064.

The previous prime is 18307014863. The next prime is 18307014883. The reversal of 18307014866 is 66841070381.

It is not an unprimeable number, because it can be changed into a prime (18307014863) 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, 102440 + ... + 217043.

It is an arithmetic number, because the mean of its divisors is an integer number (1961951244).

Almost surely, 218307014866 is an apocalyptic number.

18307014866 is a deficient number, since it is larger than the sum of its proper divisors (13084205038).

18307014866 is a wasteful number, since it uses less digits than its factorization.

18307014866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323585.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 18307014866 in words is "eighteen billion, three hundred seven million, fourteen thousand, eight hundred sixty-six".

Divisors: 1 2 7 14 4093 8186 28651 57302 319483 638966 2236381 4472762 1307643919 2615287838 9153507433 18307014866