Base | Representation |
---|---|
bin | 10111100001000010… |
… | …11100110100011111 |
3 | 1012120212121101211212 |
4 | 23300201130310133 |
5 | 201324030011411 |
6 | 5444442335035 |
7 | 624602504660 |
oct | 136041346437 |
9 | 35525541755 |
10 | 12625235231 |
11 | 5399686104 |
12 | 25441ba47b |
13 | 12628576bb |
14 | 87aa93367 |
15 | 4dd5c568b |
hex | 2f085cd1f |
12625235231 has 8 divisors (see below), whose sum is σ = 14926386720. Its totient is φ = 10448470368.
The previous prime is 12625235143. The next prime is 12625235257. The reversal of 12625235231 is 13253252621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12625235231 - 226 = 12558126367 is a prime.
It is a super-2 number, since 2×126252352312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12625235281) 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, 31096436 + ... + 31096841.
It is an arithmetic number, because the mean of its divisors is an integer number (1865798340).
Almost surely, 212625235231 is an apocalyptic number.
12625235231 is a deficient number, since it is larger than the sum of its proper divisors (2301151489).
12625235231 is an equidigital number, since it uses as much as digits as its factorization.
12625235231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62193313.
The product of its digits is 21600, while the sum is 32.
Adding to 12625235231 its reverse (13253252621), we get a palindrome (25878487852).
The spelling of 12625235231 in words is "twelve billion, six hundred twenty-five million, two hundred thirty-five thousand, two hundred thirty-one".
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