Base | Representation |
---|---|
bin | 10110100101011010… |
… | …10000010011010100 |
3 | 1011022000100111020010 |
4 | 23102231100103110 |
5 | 144313000410304 |
6 | 5323053040220 |
7 | 606316624503 |
oct | 132255202324 |
9 | 34260314203 |
10 | 12125013204 |
11 | 5162287977 |
12 | 2424786070 |
13 | 11b3025535 |
14 | 83048083a |
15 | 4ae716789 |
hex | 2d2b504d4 |
12125013204 has 12 divisors (see below), whose sum is σ = 28291697504. Its totient is φ = 4041671064.
The previous prime is 12125013097. The next prime is 12125013209. The reversal of 12125013204 is 40231052121.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12125013209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505208872 + ... + 505208895.
Almost surely, 212125013204 is an apocalyptic number.
It is an amenable number.
12125013204 is an abundant number, since it is smaller than the sum of its proper divisors (16166684300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12125013204 is a wasteful number, since it uses less digits than its factorization.
12125013204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1010417774 (or 1010417772 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 12125013204 its reverse (40231052121), we get a palindrome (52356065325).
The spelling of 12125013204 in words is "twelve billion, one hundred twenty-five million, thirteen thousand, two hundred four".
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