Base | Representation |
---|---|
bin | 11000101100000000… |
… | …11111101100001010 |
3 | 1021012200222120220002 |
4 | 30112000133230022 |
5 | 204121024133232 |
6 | 10031110003002 |
7 | 646310151500 |
oct | 142600375412 |
9 | 37180876802 |
10 | 13254130442 |
11 | 569167a413 |
12 | 269a946462 |
13 | 1332c2c447 |
14 | 8da3dc670 |
15 | 5288eeb62 |
hex | 31601fb0a |
13254130442 has 12 divisors (see below), whose sum is σ = 23127105330. Its totient is φ = 5680341576.
The previous prime is 13254130411. The next prime is 13254130457. The reversal of 13254130442 is 24403145231.
It can be written as a sum of positive squares in only one way, i.e., 7071296281 + 6182834161 = 84091^2 + 78631^2 .
It is a super-2 number, since 2×132541304422 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67623017 + ... + 67623212.
Almost surely, 213254130442 is an apocalyptic number.
13254130442 is a deficient number, since it is larger than the sum of its proper divisors (9872974888).
13254130442 is a wasteful number, since it uses less digits than its factorization.
13254130442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135246245 (or 135246238 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 29.
Adding to 13254130442 its reverse (24403145231), we get a palindrome (37657275673).
The spelling of 13254130442 in words is "thirteen billion, two hundred fifty-four million, one hundred thirty thousand, four hundred forty-two".
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