Base | Representation |
---|---|
bin | 10111010010100010… |
… | …00111010010001001 |
3 | 1012021101120020020111 |
4 | 23221101013102021 |
5 | 201101344342301 |
6 | 5424413354321 |
7 | 621564046225 |
oct | 135121072211 |
9 | 35241506214 |
10 | 12503512201 |
11 | 53369a7864 |
12 | 250b4989a1 |
13 | 124357943b |
14 | 868849785 |
15 | 4d2a7e551 |
hex | 2e9447489 |
12503512201 has 8 divisors (see below), whose sum is σ = 12584469960. Its totient is φ = 12422654592.
The previous prime is 12503512199. The next prime is 12503512207. The reversal of 12503512201 is 10221530521.
It can be written as a sum of positive squares in 4 ways, for example, as 11045799801 + 1457712400 = 105099^2 + 38180^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12503512201 - 21 = 12503512199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12503512207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234085 + ... + 282493.
It is an arithmetic number, because the mean of its divisors is an integer number (1573058745).
Almost surely, 212503512201 is an apocalyptic number.
It is an amenable number.
12503512201 is a deficient number, since it is larger than the sum of its proper divisors (80957759).
12503512201 is a wasteful number, since it uses less digits than its factorization.
12503512201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50075.
The product of its (nonzero) digits is 600, while the sum is 22.
The spelling of 12503512201 in words is "twelve billion, five hundred three million, five hundred twelve thousand, two hundred one".
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