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12255639070 = 251225563907
BaseRepresentation
bin10110110100111111…
…00011011000011110
31011122010010222020011
423122133203120132
5200044420422240
65344040513434
7612464133103
oct133237433036
934563128204
1012255639070
115219a97034
12246047b87a
1312040ccb4c
14843964aaa
154bae1a6ea
hex2da7e361e

12255639070 has 8 divisors (see below), whose sum is σ = 22060150344. Its totient is φ = 4902255624.

The previous prime is 12255639043. The next prime is 12255639083. The reversal of 12255639070 is 7093655221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122556390702 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612781944 + ... + 612781963.

It is an arithmetic number, because the mean of its divisors is an integer number (2757518793).

Almost surely, 212255639070 is an apocalyptic number.

12255639070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12255639070 is a deficient number, since it is larger than the sum of its proper divisors (9804511274).

12255639070 is a wasteful number, since it uses less digits than its factorization.

12255639070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225563914.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 12255639070 in words is "twelve billion, two hundred fifty-five million, six hundred thirty-nine thousand, seventy".

Divisors: 1 2 5 10 1225563907 2451127814 6127819535 12255639070