Base | Representation |
---|---|
bin | 1011111011110100111100… |
… | …0011111100111011010010 |
3 | 1201110111100012122112022101 |
4 | 2332331033003330323102 |
5 | 3204444240042302310 |
6 | 43524212045431014 |
7 | 2523031403400100 |
oct | 276751703747322 |
9 | 51414305575271 |
10 | 13122451525330 |
11 | 41aa22286a104 |
12 | 157b27656b46a |
13 | 742598a2bb94 |
14 | 3351b6ba0c70 |
15 | 17b52999043a |
hex | bef4f0fced2 |
13122451525330 has 96 divisors (see below), whose sum is σ = 27610872937200. Its totient is φ = 4477193989632.
The previous prime is 13122451525321. The next prime is 13122451525331. The reversal of 13122451525330 is 3352515422131.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 12607775852049 + 514675673281 = 3550743^2 + 717409^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 13122451525330.
It is not an unprimeable number, because it can be changed into a prime (13122451525331) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227645272 + ... + 227702908.
Almost surely, 213122451525330 is an apocalyptic number.
13122451525330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13122451525330 is an abundant number, since it is smaller than the sum of its proper divisors (14488421411870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13122451525330 is a wasteful number, since it uses less digits than its factorization.
13122451525330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59916 (or 59909 counting only the distinct ones).
The product of its (nonzero) digits is 108000, while the sum is 37.
Adding to 13122451525330 its reverse (3352515422131), we get a palindrome (16474966947461).
The spelling of 13122451525330 in words is "thirteen trillion, one hundred twenty-two billion, four hundred fifty-one million, five hundred twenty-five thousand, three hundred thirty".
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