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14995955997 = 3211151474303
BaseRepresentation
bin11011111011101010…
…00010000100011101
31102201002112111100200
431331311002010131
5221202431042442
610520011214113
71040420344221
oct157565020435
942632474320
1014995955997
1163a590a770
122aa6147339
13154ca61459
14a23890781
155cb7b634c
hex37dd4211d

14995955997 has 12 divisors (see below), whose sum is σ = 23629991424. Its totient is φ = 9088458120.

The previous prime is 14995955957. The next prime is 14995956011. The reversal of 14995955997 is 79955959941.

14995955997 is a `hidden beast` number, since 14 + 9 + 9 + 59 + 559 + 9 + 7 = 666.

It is not a de Polignac number, because 14995955997 - 222 = 14991761693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14995955917) 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, 75737053 + ... + 75737250.

It is an arithmetic number, because the mean of its divisors is an integer number (1969165952).

Almost surely, 214995955997 is an apocalyptic number.

It is an amenable number.

14995955997 is a deficient number, since it is larger than the sum of its proper divisors (8634035427).

14995955997 is a wasteful number, since it uses less digits than its factorization.

14995955997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151474320 (or 151474317 counting only the distinct ones).

The product of its digits is 206671500, while the sum is 72.

The spelling of 14995955997 in words is "fourteen billion, nine hundred ninety-five million, nine hundred fifty-five thousand, nine hundred ninety-seven".

Divisors: 1 3 9 11 33 99 151474303 454422909 1363268727 1666217333 4998651999 14995955997