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12317073288 = 2331339477799
BaseRepresentation
bin10110111100010011…
…11001111110001000
31011210101202011010120
423132021321332020
5200211132321123
65354113343240
7614141252442
oct133611717610
934711664116
1012317073288
115250737513
122478b67b20
131213a5c860
1484bb97492
154c15032e3
hex2de279f88

12317073288 has 32 divisors (see below), whose sum is σ = 33161352000. Its totient is φ = 3789868608.

The previous prime is 12317073287. The next prime is 12317073311. The reversal of 12317073288 is 88237071321.

It is not an unprimeable number, because it can be changed into a prime (12317073287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19738588 + ... + 19739211.

It is an arithmetic number, because the mean of its divisors is an integer number (1036292250).

Almost surely, 212317073288 is an apocalyptic number.

It is an amenable number.

12317073288 is an abundant number, since it is smaller than the sum of its proper divisors (20844278712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12317073288 is a wasteful number, since it uses less digits than its factorization.

12317073288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39477821 (or 39477817 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 12317073288 in words is "twelve billion, three hundred seventeen million, seventy-three thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 39477799 78955598 118433397 157911196 236866794 315822392 473733588 513211387 947467176 1026422774 1539634161 2052845548 3079268322 4105691096 6158536644 12317073288