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12934885995 = 3251072686373
BaseRepresentation
bin11000000101111101…
…01011001001101011
31020101110021021211200
430002332223021223
5202442312322440
65535303255243
7635352500613
oct140276531153
936343237750
1012934885995
115538451329
12260ba4a523
1312b1a540c5
148a9c59a43
1550a88dc30
hex302fab26b

12934885995 has 24 divisors (see below), whose sum is σ = 22630014576. Its totient is φ = 6834130368.

The previous prime is 12934885993. The next prime is 12934886021. The reversal of 12934885995 is 59958843921.

12934885995 is a `hidden beast` number, since 1 + 2 + 9 + 34 + 8 + 8 + 599 + 5 = 666.

It is not a de Polignac number, because 12934885995 - 21 = 12934885993 is a prime.

It is a super-2 number, since 2×129348859952 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12934885991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1338372 + ... + 1348001.

It is an arithmetic number, because the mean of its divisors is an integer number (942917274).

Almost surely, 212934885995 is an apocalyptic number.

12934885995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12934885995 is a deficient number, since it is larger than the sum of its proper divisors (9695128581).

12934885995 is a wasteful number, since it uses less digits than its factorization.

12934885995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686491 (or 2686488 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 63.

The spelling of 12934885995 in words is "twelve billion, nine hundred thirty-four million, eight hundred eighty-five thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 45 107 321 535 963 1605 4815 2686373 8059119 13431865 24177357 40295595 120886785 287441911 862325733 1437209555 2586977199 4311628665 12934885995