Base | Representation |
---|---|
bin | 11000110101001111… |
… | …01001010001000001 |
3 | 1021102002120110220201 |
4 | 30122213221101001 |
5 | 204300331032040 |
6 | 10042512205201 |
7 | 651236620123 |
oct | 143247512101 |
9 | 37362513821 |
10 | 13331502145 |
11 | 5721315975 |
12 | 2700839801 |
13 | 1345c7c410 |
14 | 9067bd213 |
15 | 5305d4a9a |
hex | 31a9e9441 |
13331502145 has 16 divisors (see below), whose sum is σ = 17258729040. Its totient is φ = 9827472384.
The previous prime is 13331502137. The next prime is 13331502161. The reversal of 13331502145 is 54120513331.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 6124001536 + 7207500609 = 78256^2 + 84897^2 .
It is a cyclic number.
It is not a de Polignac number, because 13331502145 - 23 = 13331502137 is a prime.
It is a super-3 number, since 3×133315021453 (a number of 31 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143244 + ... + 217213.
It is an arithmetic number, because the mean of its divisors is an integer number (1078670565).
Almost surely, 213331502145 is an apocalyptic number.
It is an amenable number.
13331502145 is a deficient number, since it is larger than the sum of its proper divisors (3927226895).
13331502145 is a wasteful number, since it uses less digits than its factorization.
13331502145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361044.
The product of its (nonzero) digits is 5400, while the sum is 28.
The spelling of 13331502145 in words is "thirteen billion, three hundred thirty-one million, five hundred two thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •