Base | Representation |
---|---|
bin | 1010111010100100010111… |
… | …0101010100111010100111 |
3 | 1120111022110221111210112010 |
4 | 2232221011311110322213 |
5 | 3033112140404412411 |
6 | 41305154212525303 |
7 | 2346031440550365 |
oct | 256510565247247 |
9 | 46438427453463 |
10 | 12001310232231 |
11 | 39077aa830761 |
12 | 1419b26620833 |
13 | 690945c9b028 |
14 | 2d6c1ba04635 |
15 | 15c2ace827a6 |
hex | aea45d54ea7 |
12001310232231 has 8 divisors (see below), whose sum is σ = 16001935525744. Its totient is φ = 8000779213440.
The previous prime is 12001310232211. The next prime is 12001310232251. The reversal of 12001310232231 is 13223201310021.
It is an interprime number because it is at equal distance from previous prime (12001310232211) and next prime (12001310232251).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12001310232231 - 218 = 12001309970087 is a prime.
It is a super-2 number, since 2×120013102322312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12001310232198 and 12001310232207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12001310232211) 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, 23271106 + ... + 23781231.
It is an arithmetic number, because the mean of its divisors is an integer number (2000241940718).
Almost surely, 212001310232231 is an apocalyptic number.
12001310232231 is a deficient number, since it is larger than the sum of its proper divisors (4000625293513).
12001310232231 is an equidigital number, since it uses as much as digits as its factorization.
12001310232231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47137361.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 12001310232231 its reverse (13223201310021), we get a palindrome (25224511542252).
The spelling of 12001310232231 in words is "twelve trillion, one billion, three hundred ten million, two hundred thirty-two thousand, two hundred thirty-one".
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