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12159662909 = 293494872467
BaseRepresentation
bin10110101001100010…
…11011101100111101
31011101102112212200112
423110301123230331
5144400333203114
65330331435405
7610220300162
oct132461335475
934342485615
1012159662909
11517a8a3799
1224342b5b65
1311ba267a14
14834d00069
154b27ad13e
hex2d4c5bb3d

12159662909 has 16 divisors (see below), whose sum is σ = 12646032000. Its totient is φ = 11677950144.

The previous prime is 12159662903. The next prime is 12159662939. The reversal of 12159662909 is 90926695121.

It is not a de Polignac number, because 12159662909 - 28 = 12159662653 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 (12159662903) 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, 4927694 + ... + 4930160.

It is an arithmetic number, because the mean of its divisors is an integer number (790377000).

Almost surely, 212159662909 is an apocalyptic number.

It is an amenable number.

12159662909 is a deficient number, since it is larger than the sum of its proper divisors (486369091).

12159662909 is a wasteful number, since it uses less digits than its factorization.

12159662909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 12159662909 in words is "twelve billion, one hundred fifty-nine million, six hundred sixty-two thousand, nine hundred nine".

Divisors: 1 29 349 487 2467 10121 14123 71543 169963 860983 1201429 4928927 24968507 34841441 419298721 12159662909