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12960137210 = 251936715097
BaseRepresentation
bin11000001000111101…
…11111111111111010
31020110012210011222212
430010132333333322
5203020243342320
65542004415122
7636110230406
oct140436777772
936405704885
1012960137210
1155507289a9
1226183a74a2
1312b7055757
148ad350106
1550cbca9c5
hex3047bfffa

12960137210 has 16 divisors (see below), whose sum is σ = 23449122216. Its totient is φ = 5157193728.

The previous prime is 12960137189. The next prime is 12960137213. The reversal of 12960137210 is 1273106921.

It can be written as a sum of positive squares in 4 ways, for example, as 10780461241 + 2179675969 = 103829^2 + 46687^2 .

It is not an unprimeable number, because it can be changed into a prime (12960137213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355619 + ... + 3359478.

Almost surely, 212960137210 is an apocalyptic number.

12960137210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12960137210 is a deficient number, since it is larger than the sum of its proper divisors (10488985006).

12960137210 is a wasteful number, since it uses less digits than its factorization.

12960137210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715297.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 12960137210 in words is "twelve billion, nine hundred sixty million, one hundred thirty-seven thousand, two hundred ten".

Divisors: 1 2 5 10 193 386 965 1930 6715097 13430194 33575485 67150970 1296013721 2592027442 6480068605 12960137210