Base | Representation |
---|---|
bin | 11000101001010010… |
… | …01011101100010001 |
3 | 1021011002220201212001 |
4 | 30110221023230101 |
5 | 204044144221001 |
6 | 10024531234001 |
7 | 645611462365 |
oct | 142451135421 |
9 | 37132821761 |
10 | 13231242001 |
11 | 567a766a4a |
12 | 2693148901 |
13 | 132b2773a3 |
14 | 8d73612a5 |
15 | 5268cd001 |
hex | 314a4bb11 |
13231242001 has 16 divisors (see below), whose sum is σ = 14256302400. Its totient is φ = 12233875968.
The previous prime is 13231241999. The next prime is 13231242077. The reversal of 13231242001 is 10024213231.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13231242001 - 21 = 13231241999 is a prime.
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 13231242001.
It is not an unprimeable number, because it can be changed into a prime (13231242301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1995670 + ... + 2002288.
It is an arithmetic number, because the mean of its divisors is an integer number (891018900).
Almost surely, 213231242001 is an apocalyptic number.
It is an amenable number.
13231242001 is a deficient number, since it is larger than the sum of its proper divisors (1025060399).
13231242001 is a wasteful number, since it uses less digits than its factorization.
13231242001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8688.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 13231242001 its reverse (10024213231), we get a palindrome (23255455232).
The spelling of 13231242001 in words is "thirteen billion, two hundred thirty-one million, two hundred forty-two thousand, one".
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