Base | Representation |
---|---|
bin | 10111001011011110… |
… | …01111001110110101 |
3 | 1012010021010221122220 |
4 | 23211233033032311 |
5 | 200441220101323 |
6 | 5414500312553 |
7 | 620244543432 |
oct | 134557171665 |
9 | 35107127586 |
10 | 12444300213 |
11 | 5306534a34 |
12 | 24b36a2759 |
13 | 1234217067 |
14 | 860a34b89 |
15 | 4cc7850e3 |
hex | 2e5bcf3b5 |
12444300213 has 12 divisors (see below), whose sum is σ = 17345176800. Its totient is φ = 7935494776.
The previous prime is 12444300199. The next prime is 12444300223. The reversal of 12444300213 is 31200344421.
It is not a de Polignac number, because 12444300213 - 29 = 12444299701 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12444300223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3919113 + ... + 3922286.
It is an arithmetic number, because the mean of its divisors is an integer number (1445431400).
Almost surely, 212444300213 is an apocalyptic number.
It is an amenable number.
12444300213 is a deficient number, since it is larger than the sum of its proper divisors (4900876587).
12444300213 is an equidigital number, since it uses as much as digits as its factorization.
12444300213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7841448 (or 7841425 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 12444300213 its reverse (31200344421), we get a palindrome (43644644634).
The spelling of 12444300213 in words is "twelve billion, four hundred forty-four million, three hundred thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •