Base | Representation |
---|---|
bin | 10110100110000000… |
… | …10001111010001101 |
3 | 1011022100201212112201 |
4 | 23103000101322031 |
5 | 144320240004100 |
6 | 5323352001501 |
7 | 606410206006 |
oct | 132300217215 |
9 | 34270655481 |
10 | 12130000525 |
11 | 5165083a25 |
12 | 2426390291 |
13 | 11b4080606 |
14 | 830dbc1ad |
15 | 4aed9e36a |
hex | 2d3011e8d |
12130000525 has 12 divisors (see below), whose sum is σ = 15098399712. Its totient is φ = 9667097840.
The previous prime is 12130000489. The next prime is 12130000559. The reversal of 12130000525 is 52500003121.
It is not a de Polignac number, because 12130000525 - 221 = 12127903373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915859 + ... + 929008.
It is an arithmetic number, because the mean of its divisors is an integer number (1258199976).
Almost surely, 212130000525 is an apocalyptic number.
It is an amenable number.
12130000525 is a deficient number, since it is larger than the sum of its proper divisors (2968399187).
12130000525 is a wasteful number, since it uses less digits than its factorization.
12130000525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1845140 (or 1845135 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 19.
Adding to 12130000525 its reverse (52500003121), we get a palindrome (64630003646).
The spelling of 12130000525 in words is "twelve billion, one hundred thirty million, five hundred twenty-five", and thus it is an aban number.
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