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12642962163 = 313224936809
BaseRepresentation
bin10111100011001010…
…00100101011110011
31012122002222000121220
423301211010223303
5201343044242123
65450314320123
7625206255666
oct136145045363
935562860556
1012642962163
1153a8693667
12254a129043
131266423300
1487d1896dd
154dee27ce3
hex2f1944af3

12642962163 has 12 divisors (see below), whose sum is σ = 18253744920. Its totient is φ = 7780284096.

The previous prime is 12642962153. The next prime is 12642962183. The reversal of 12642962163 is 36126924621.

It is not a de Polignac number, because 12642962163 - 26 = 12642962099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12642962113) 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, 12467898 + ... + 12468911.

It is an arithmetic number, because the mean of its divisors is an integer number (1521145410).

Almost surely, 212642962163 is an apocalyptic number.

12642962163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12642962163 is a deficient number, since it is larger than the sum of its proper divisors (5610782757).

12642962163 is a wasteful number, since it uses less digits than its factorization.

12642962163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24936838 (or 24936825 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The spelling of 12642962163 in words is "twelve billion, six hundred forty-two million, nine hundred sixty-two thousand, one hundred sixty-three".

Divisors: 1 3 13 39 169 507 24936809 74810427 324178517 972535551 4214320721 12642962163