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14818543668 = 223210310973643
BaseRepresentation
bin11011100110100000…
…10000100000110100
31102020201201000101200
431303100100200310
5220322021344133
610450232452500
71033134354135
oct156320204064
942221630350
1014818543668
116314755205
122a5684a130
131522085346
14a080abc8c
155bae1e913
hex373410834

14818543668 has 72 divisors (see below), whose sum is σ = 37866523968. Its totient is φ = 4885757568.

The previous prime is 14818543657. The next prime is 14818543673. The reversal of 14818543668 is 86634581841.

14818543668 is a `hidden beast` number, since 14 + 81 + 8 + 543 + 6 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4065855 + ... + 4069497.

It is an arithmetic number, because the mean of its divisors is an integer number (525923944).

Almost surely, 214818543668 is an apocalyptic number.

14818543668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

14818543668 is an abundant number, since it is smaller than the sum of its proper divisors (23047980300).

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

14818543668 is a wasteful number, since it uses less digits than its factorization.

14818543668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853 (or 4848 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 14818543668 in words is "fourteen billion, eight hundred eighteen million, five hundred forty-three thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 103 206 309 412 618 927 1097 1236 1854 2194 3291 3643 3708 4388 6582 7286 9873 10929 13164 14572 19746 21858 32787 39492 43716 65574 112991 131148 225982 338973 375229 451964 677946 750458 1016919 1125687 1355892 1500916 2033838 2251374 3377061 3996371 4067676 4502748 6754122 7992742 11989113 13508244 15985484 23978226 35967339 47956452 71934678 143869356 411626213 823252426 1234878639 1646504852 2469757278 3704635917 4939514556 7409271834 14818543668