Base | Representation |
---|---|
bin | 10110101001100010… |
… | …11011101100111101 |
3 | 1011101102112212200112 |
4 | 23110301123230331 |
5 | 144400333203114 |
6 | 5330331435405 |
7 | 610220300162 |
oct | 132461335475 |
9 | 34342485615 |
10 | 12159662909 |
11 | 517a8a3799 |
12 | 24342b5b65 |
13 | 11ba267a14 |
14 | 834d00069 |
15 | 4b27ad13e |
hex | 2d4c5bb3d |
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".
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