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18496999064 = 239723836339
BaseRepresentation
bin10001001110100000…
…011100111010011000
31202202002100220120102
4101032200130322120
5300340212432224
612255234514532
71223241616655
oct211640347230
952662326512
1018496999064
11793208a195
123702735a48
13198a1a477b
14c76840c2c
15733d2c4ae
hex44e81ce98

18496999064 has 16 divisors (see below), whose sum is σ = 35039419800. Its totient is φ = 9153153792.

The previous prime is 18496999019. The next prime is 18496999097. The reversal of 18496999064 is 46099969481.

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, 11917394 + ... + 11918945.

Almost surely, 218496999064 is an apocalyptic number.

It is an amenable number.

18496999064 is a deficient number, since it is larger than the sum of its proper divisors (16542420736).

18496999064 is a wasteful number, since it uses less digits than its factorization.

18496999064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23836442 (or 23836438 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 65.

The spelling of 18496999064 in words is "eighteen billion, four hundred ninety-six million, nine hundred ninety-nine thousand, sixty-four".

Divisors: 1 2 4 8 97 194 388 776 23836339 47672678 95345356 190690712 2312124883 4624249766 9248499532 18496999064