Base | Representation |
---|---|
bin | 11000101010010001… |
… | …01110100100100010 |
3 | 1021011200110212020111 |
4 | 30111020232210202 |
5 | 204103303330310 |
6 | 10025424401534 |
7 | 646041663253 |
oct | 142510564442 |
9 | 37150425214 |
10 | 13239511330 |
11 | 56843a4901 |
12 | 2695a762aa |
13 | 132cbb1296 |
14 | 8d84b4b2a |
15 | 5274b328a |
hex | 31522e922 |
13239511330 has 16 divisors (see below), whose sum is σ = 23876870904. Its totient is φ = 5285637760.
The previous prime is 13239511319. The next prime is 13239511331. The reversal of 13239511330 is 3311593231.
It can be written as a sum of positive squares in 4 ways, for example, as 10180204609 + 3059306721 = 100897^2 + 55311^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13239511292 and 13239511301.
It is not an unprimeable number, because it can be changed into a prime (13239511331) 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, 1265377 + ... + 1275796.
Almost surely, 213239511330 is an apocalyptic number.
13239511330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13239511330 is a deficient number, since it is larger than the sum of its proper divisors (10637359574).
13239511330 is a wasteful number, since it uses less digits than its factorization.
13239511330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2541701.
The product of its (nonzero) digits is 7290, while the sum is 31.
The spelling of 13239511330 in words is "thirteen billion, two hundred thirty-nine million, five hundred eleven thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •