Base | Representation |
---|---|
bin | 10110100110000101… |
… | …11111000110000001 |
3 | 1011022102001220121110 |
4 | 23103002333012001 |
5 | 144320430204024 |
6 | 5323415113533 |
7 | 606416222064 |
oct | 132302770601 |
9 | 34272056543 |
10 | 12130709889 |
11 | 5165518981 |
12 | 24266728a9 |
13 | 11b426b45c |
14 | 8311248db |
15 | 4aee8e629 |
hex | 2d30bf181 |
12130709889 has 8 divisors (see below), whose sum is σ = 16732013760. Its totient is φ = 7808272976.
The previous prime is 12130709881. The next prime is 12130709897. The reversal of 12130709889 is 98890703121.
It is an interprime number because it is at equal distance from previous prime (12130709881) and next prime (12130709897).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12130709889 - 23 = 12130709881 is a prime.
It is a super-2 number, since 2×121307098892 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12130709881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69716637 + ... + 69716810.
It is an arithmetic number, because the mean of its divisors is an integer number (2091501720).
Almost surely, 212130709889 is an apocalyptic number.
It is an amenable number.
12130709889 is a deficient number, since it is larger than the sum of its proper divisors (4601303871).
12130709889 is a wasteful number, since it uses less digits than its factorization.
12130709889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139433479.
The product of its (nonzero) digits is 217728, while the sum is 48.
The spelling of 12130709889 in words is "twelve billion, one hundred thirty million, seven hundred nine thousand, eight hundred eighty-nine".
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