Base | Representation |
---|---|
bin | 1100000010000111001010… |
… | …1010011110111110011111 |
3 | 1201211211000221001022110122 |
4 | 3000201302222132332133 |
5 | 3213231401242324411 |
6 | 44045550013225155 |
7 | 2533603134026216 |
oct | 300416252367637 |
9 | 51754027038418 |
10 | 13230423011231 |
11 | 4240a99967588 |
12 | 1598189a921bb |
13 | 74c814ba9b8a |
14 | 33a4da7c607d |
15 | 17e2489419db |
hex | c0872a9ef9f |
13230423011231 has 6 divisors (see below), whose sum is σ = 13830669046320. Its totient is φ = 12655187227628.
The previous prime is 13230423011207. The next prime is 13230423011287. The reversal of 13230423011231 is 13211032403231.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-13230423011231 is a prime.
It is a super-2 number, since 2×132304230112312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13230423011231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13230423071231) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12505125191 + ... + 12505126248.
It is an arithmetic number, because the mean of its divisors is an integer number (2305111507720).
Almost surely, 213230423011231 is an apocalyptic number.
13230423011231 is a deficient number, since it is larger than the sum of its proper divisors (600246035089).
13230423011231 is an equidigital number, since it uses as much as digits as its factorization.
13230423011231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25010251485 (or 25010251462 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 13230423011231 its reverse (13211032403231), we get a palindrome (26441455414462).
The spelling of 13230423011231 in words is "thirteen trillion, two hundred thirty billion, four hundred twenty-three million, eleven thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •