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14147515908 = 2232392986553
BaseRepresentation
bin11010010110100000…
…11111011000000100
31100111222001021100200
431023100133120010
5212433231002113
610255502210500
71010405621031
oct151320373004
940458037320
1014147515908
115aaa9a4109
1228a9b83a30
13144604b1b6
14982d16388
1557c071873
hex34b41f604

14147515908 has 18 divisors (see below), whose sum is σ = 35761776414. Its totient is φ = 4715838624.

The previous prime is 14147515903. The next prime is 14147515961. The reversal of 14147515908 is 80951574141.

14147515908 is a `hidden beast` number, since 1 + 4 + 1 + 4 + 7 + 51 + 590 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7128762624 + 7018753284 = 84432^2 + 83778^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×141475159082 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14147515903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196493241 + ... + 196493312.

Almost surely, 214147515908 is an apocalyptic number.

14147515908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

14147515908 is an abundant number, since it is smaller than the sum of its proper divisors (21614260506).

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

14147515908 is a wasteful number, since it uses less digits than its factorization.

14147515908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392986563 (or 392986558 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 14147515908 in words is "fourteen billion, one hundred forty-seven million, five hundred fifteen thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 392986553 785973106 1178959659 1571946212 2357919318 3536878977 4715838636 7073757954 14147515908