Base | Representation |
---|---|
bin | 11000101001001010… |
… | …10011001100000011 |
3 | 1021011001000000121011 |
4 | 30110211103030003 |
5 | 204043414133011 |
6 | 10024453341351 |
7 | 645600023005 |
oct | 142445231403 |
9 | 37131000534 |
10 | 13230224131 |
11 | 567a131233 |
12 | 2692937857 |
13 | 132acabcb7 |
14 | 8d7178375 |
15 | 52677b621 |
hex | 314953303 |
13230224131 has 8 divisors (see below), whose sum is σ = 13420613360. Its totient is φ = 13040082432.
The previous prime is 13230224129. The next prime is 13230224149. The reversal of 13230224131 is 13142203231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13230224131 - 21 = 13230224129 is a prime.
It is a super-2 number, since 2×132302241312 (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 (13230284131) 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, 47155 + ... + 169363.
It is an arithmetic number, because the mean of its divisors is an integer number (1677576670).
Almost surely, 213230224131 is an apocalyptic number.
13230224131 is a deficient number, since it is larger than the sum of its proper divisors (190389229).
13230224131 is a wasteful number, since it uses less digits than its factorization.
13230224131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123765.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 13230224131 its reverse (13142203231), we get a palindrome (26372427362).
The spelling of 13230224131 in words is "thirteen billion, two hundred thirty million, two hundred twenty-four thousand, one hundred thirty-one".
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