Base | Representation |
---|---|
bin | 10110100110010000… |
… | …00111001000010101 |
3 | 1011022111121011201202 |
4 | 23103020013020111 |
5 | 144321301203100 |
6 | 5323504002245 |
7 | 606433516304 |
oct | 132310071025 |
9 | 34274534652 |
10 | 12132053525 |
11 | 5166256419 |
12 | 2427000385 |
13 | 11b461bbc7 |
14 | 83139443b |
15 | 4b01577d5 |
hex | 2d3207215 |
12132053525 has 12 divisors (see below), whose sum is σ = 15048925572. Its totient is φ = 9702301440.
The previous prime is 12132053513. The next prime is 12132053561. The reversal of 12132053525 is 52535023121.
It can be written as a sum of positive squares in 6 ways, for example, as 747803716 + 11384249809 = 27346^2 + 106697^2 .
It is not a de Polignac number, because 12132053525 - 218 = 12131791381 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, 8132 + ... + 155981.
It is an arithmetic number, because the mean of its divisors is an integer number (1254077131).
Almost surely, 212132053525 is an apocalyptic number.
It is an amenable number.
12132053525 is a deficient number, since it is larger than the sum of its proper divisors (2916872047).
12132053525 is a wasteful number, since it uses less digits than its factorization.
12132053525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167080 (or 167075 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 29.
Adding to 12132053525 its reverse (52535023121), we get a palindrome (64667076646).
The spelling of 12132053525 in words is "twelve billion, one hundred thirty-two million, fifty-three thousand, five hundred twenty-five".
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