Base | Representation |
---|---|
bin | 10111010101001101… |
… | …00101111100111111 |
3 | 1012022221201200001022 |
4 | 23222212211330333 |
5 | 201123113420223 |
6 | 5430533534355 |
7 | 622255364246 |
oct | 135246457477 |
9 | 35287650038 |
10 | 12525920063 |
11 | 5348612158 |
12 | 2516aa43bb |
13 | 12480c3827 |
14 | 86b7dd95d |
15 | 4d4a08ac8 |
hex | 2ea9a5f3f |
12525920063 has 4 divisors (see below), whose sum is σ = 12608873328. Its totient is φ = 12442966800.
The previous prime is 12525920041. The next prime is 12525920153. The reversal of 12525920063 is 36002952521.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36002952521 = 383 ⋅94002487.
It is a cyclic number.
It is not a de Polignac number, because 12525920063 - 220 = 12524871487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12525920863) 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, 41476406 + ... + 41476707.
It is an arithmetic number, because the mean of its divisors is an integer number (3152218332).
Almost surely, 212525920063 is an apocalyptic number.
12525920063 is a deficient number, since it is larger than the sum of its proper divisors (82953265).
12525920063 is an equidigital number, since it uses as much as digits as its factorization.
12525920063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82953264.
The product of its (nonzero) digits is 32400, while the sum is 35.
The spelling of 12525920063 in words is "twelve billion, five hundred twenty-five million, nine hundred twenty thousand, sixty-three".
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