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12312136886 = 273179359101
BaseRepresentation
bin10110111011101110…
…00100110010110110
31011210001110100122212
423131313010302312
5200203401340021
65353415453422
7614051302550
oct133567046266
934701410585
1012312136886
115248975745
122477387272
131212a219ca
1484b2704d0
154c0d7a85b
hex2dddc4cb6

12312136886 has 32 divisors (see below), whose sum is σ = 22063226880. Its totient is φ = 5041764000.

The previous prime is 12312136883. The next prime is 12312136901. The reversal of 12312136886 is 68863121321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312136883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145265 + ... + 213836.

It is an arithmetic number, because the mean of its divisors is an integer number (689475840).

Almost surely, 212312136886 is an apocalyptic number.

12312136886 is a deficient number, since it is larger than the sum of its proper divisors (9751089994).

12312136886 is a wasteful number, since it uses less digits than its factorization.

12312136886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359220.

The product of its digits is 82944, while the sum is 41.

The spelling of 12312136886 in words is "twelve billion, three hundred twelve million, one hundred thirty-six thousand, eight hundred eighty-six".

Divisors: 1 2 7 14 31 62 79 158 217 434 553 1106 2449 4898 17143 34286 359101 718202 2513707 5027414 11132131 22264262 28368979 56737958 77924917 155849834 198582853 397165706 879438349 1758876698 6156068443 12312136886