Base | Representation |
---|---|
bin | 10110100110000101… |
… | …00101000001110001 |
3 | 1011022101212111011002 |
4 | 23103002211001301 |
5 | 144320413244441 |
6 | 5323412531345 |
7 | 606415265600 |
oct | 132302450161 |
9 | 34271774132 |
10 | 12130603121 |
11 | 516545573a |
12 | 2426620b55 |
13 | 11b4231990 |
14 | 8310d7a37 |
15 | 4aee6cb9b |
hex | 2d30a5071 |
12130603121 has 48 divisors (see below), whose sum is σ = 15893708544. Its totient is φ = 9159486336.
The previous prime is 12130603103. The next prime is 12130603139.
12130603121 is nontrivially palindromic in base 10.
It is an interprime number because it is at equal distance from previous prime (12130603103) and next prime (12130603139).
It is not a de Polignac number, because 12130603121 - 226 = 12063494257 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12130603093 and 12130603102.
It is not an unprimeable number, because it can be changed into a prime (12130603141) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9918116 + ... + 9919338.
It is an arithmetic number, because the mean of its divisors is an integer number (331118928).
Almost surely, 212130603121 is an apocalyptic number.
It is an amenable number.
12130603121 is a deficient number, since it is larger than the sum of its proper divisors (3763105423).
12130603121 is a wasteful number, since it uses less digits than its factorization.
12130603121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1950 (or 1943 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
The spelling of 12130603121 in words is "twelve billion, one hundred thirty million, six hundred three thousand, one hundred twenty-one".
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