Base | Representation |
---|---|
bin | 11000010101001101… |
… | …11110000101111001 |
3 | 1020201101010120010011 |
4 | 30022212332011321 |
5 | 203223044433344 |
6 | 10000115021521 |
7 | 641465505652 |
oct | 141246760571 |
9 | 36641116104 |
10 | 13062889849 |
11 | 55a372a539 |
12 | 264689a8a1 |
13 | 1302421129 |
14 | 8bcc5a529 |
15 | 516c25d34 |
hex | 30a9be179 |
13062889849 has 9 divisors (see below), whose sum is σ = 13429830477. Its totient is φ = 12705724224.
The previous prime is 13062889783. The next prime is 13062889883. The reversal of 13062889849 is 94898826031.
The square root of 13062889849 is 114293.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 8662955625 + 4399934224 = 93075^2 + 66332^2 .
It is not a de Polignac number, because 13062889849 - 217 = 13062758777 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13062889793 and 13062889802.
It is not an unprimeable number, because it can be changed into a prime (13062889249) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4227297 + ... + 4230385.
Almost surely, 213062889849 is an apocalyptic number.
13062889849 is the 114293-rd square number.
13062889849 is the 57147-th centered octagonal number.
It is an amenable number.
13062889849 is a deficient number, since it is larger than the sum of its proper divisors (366940628).
13062889849 is an frugal number, since it uses more digits than its factorization.
13062889849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6252 (or 3126 counting only the distinct ones).
The product of its (nonzero) digits is 5971968, while the sum is 58.
The spelling of 13062889849 in words is "thirteen billion, sixty-two million, eight hundred eighty-nine thousand, eight hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •