Base | Representation |
---|---|
bin | 11000001111001010… |
… | …10000111101101101 |
3 | 1020120211120201220221 |
4 | 30013211100331231 |
5 | 203122100024323 |
6 | 5551102411341 |
7 | 640311056203 |
oct | 140745207555 |
9 | 36524521827 |
10 | 13012111213 |
11 | 5577aa7822 |
12 | 2631890b51 |
13 | 12c4a524ba |
14 | 8b61dd073 |
15 | 51254555d |
hex | 307950f6d |
13012111213 has 8 divisors (see below), whose sum is σ = 13433262336. Its totient is φ = 12591048000.
The previous prime is 13012111207. The next prime is 13012111237. The reversal of 13012111213 is 31211121031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13012111213 - 229 = 12475240301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13012111613) 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, 420645 + ... + 450517.
It is an arithmetic number, because the mean of its divisors is an integer number (1679157792).
Almost surely, 213012111213 is an apocalyptic number.
It is an amenable number.
13012111213 is a deficient number, since it is larger than the sum of its proper divisors (421151123).
13012111213 is a wasteful number, since it uses less digits than its factorization.
13012111213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43955.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 13012111213 its reverse (31211121031), we get a palindrome (44223232244).
The spelling of 13012111213 in words is "thirteen billion, twelve million, one hundred eleven thousand, two hundred thirteen".
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