Base | Representation |
---|---|
bin | 11000110001001011… |
… | …01111110101011011 |
3 | 1021022201111110121102 |
4 | 30120211233311123 |
5 | 204213121402311 |
6 | 10035254302015 |
7 | 650344314524 |
oct | 143045576533 |
9 | 37281443542 |
10 | 13297450331 |
11 | 5704078280 |
12 | 26b135790b |
13 | 133bbb9109 |
14 | 90207784b |
15 | 52c60a43b |
hex | 31896fd5b |
13297450331 has 8 divisors (see below), whose sum is σ = 14557571904. Its totient is φ = 12045872520.
The previous prime is 13297450249. The next prime is 13297450339. The reversal of 13297450331 is 13305479231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13297450331 - 230 = 12223708507 is a prime.
It is a super-2 number, since 2×132974503312 (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 (13297450339) 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, 2132681 + ... + 2138906.
It is an arithmetic number, because the mean of its divisors is an integer number (1819696488).
Almost surely, 213297450331 is an apocalyptic number.
13297450331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13297450331 is a deficient number, since it is larger than the sum of its proper divisors (1260121573).
13297450331 is a wasteful number, since it uses less digits than its factorization.
13297450331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4271881.
The product of its (nonzero) digits is 68040, while the sum is 38.
The spelling of 13297450331 in words is "thirteen billion, two hundred ninety-seven million, four hundred fifty thousand, three hundred thirty-one".
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