Base | Representation |
---|---|
bin | 11000101001001001… |
… | …10111111001001011 |
3 | 1021011000210100020102 |
4 | 30110210313321023 |
5 | 204043402043311 |
6 | 10024451120015 |
7 | 645566046032 |
oct | 142444677113 |
9 | 37130710212 |
10 | 13230112331 |
11 | 567a065237 |
12 | 26928a300b |
13 | 132ac70147 |
14 | 8d7149719 |
15 | 52675843b |
hex | 314937e4b |
13230112331 has 8 divisors (see below), whose sum is σ = 13372206624. Its totient is φ = 13088678080.
The previous prime is 13230112309. The next prime is 13230112373. The reversal of 13230112331 is 13321103231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13230112331 is a prime.
It is a super-2 number, since 2×132301123312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13230112031) 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, 124655 + ... + 204936.
It is an arithmetic number, because the mean of its divisors is an integer number (1671525828).
Almost surely, 213230112331 is an apocalyptic number.
13230112331 is a deficient number, since it is larger than the sum of its proper divisors (142094293).
13230112331 is a wasteful number, since it uses less digits than its factorization.
13230112331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330021.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 13230112331 its reverse (13321103231), we get a palindrome (26551215562).
The spelling of 13230112331 in words is "thirteen billion, two hundred thirty million, one hundred twelve thousand, three hundred thirty-one".
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