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12163691069 = 971736191171
BaseRepresentation
bin10110101010000001…
…10011001000111101
31011101201010112021122
423111000303020331
5144402401103234
65330554040325
7610266445115
oct132500631075
934351115248
1012163691069
1151820a5152
1224357190a5
1311bb04834a
1483566c045
154b2d0692e
hex2d503323d

12163691069 has 16 divisors (see below), whose sum is σ = 12390665280. Its totient is φ = 11939166720.

The previous prime is 12163691047. The next prime is 12163691077. The reversal of 12163691069 is 96019636121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12163691069 is a prime.

It is a super-2 number, since 2×121636910692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163691669) 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, 10386854 + ... + 10388024.

It is an arithmetic number, because the mean of its divisors is an integer number (774416580).

Almost surely, 212163691069 is an apocalyptic number.

It is an amenable number.

12163691069 is a deficient number, since it is larger than the sum of its proper divisors (226974211).

12163691069 is a wasteful number, since it uses less digits than its factorization.

12163691069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 12163691069 in words is "twelve billion, one hundred sixty-three million, six hundred ninety-one thousand, sixty-nine".

Divisors: 1 97 173 619 1171 16781 60043 107087 113587 202583 724849 10387439 19650551 70310353 125398877 12163691069