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12239271853 = 293671114967
BaseRepresentation
bin10110110011000010…
…00111011110101101
31011120222100102121221
423121201013132231
5200031223144403
65342254023341
7612205044214
oct133141073655
934528312557
1012239271853
115210828106
122456aa7b51
1312008bc0c3
1484170407b
154b9785dbd
hex2d98477ad

12239271853 has 8 divisors (see below), whose sum is σ = 12664874880. Its totient is φ = 11813906160.

The previous prime is 12239271817. The next prime is 12239271871. The reversal of 12239271853 is 35817293221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12239271853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12239271883) 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, 48976 + ... + 163942.

It is an arithmetic number, because the mean of its divisors is an integer number (1583109360).

Almost surely, 212239271853 is an apocalyptic number.

It is an amenable number.

12239271853 is a deficient number, since it is larger than the sum of its proper divisors (425603027).

12239271853 is a wasteful number, since it uses less digits than its factorization.

12239271853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118667.

The product of its digits is 181440, while the sum is 43.

The spelling of 12239271853 in words is "twelve billion, two hundred thirty-nine million, two hundred seventy-one thousand, eight hundred fifty-three".

Divisors: 1 29 3671 106459 114967 3334043 422043857 12239271853