Base | Representation |
---|---|
bin | 1011110110100001011111… |
… | …1110011100011000011101 |
3 | 1201010210011000002220222122 |
4 | 2331220113332130120131 |
5 | 3202001132223134323 |
6 | 43414302311552325 |
7 | 2513324403031433 |
oct | 275502776343035 |
9 | 51123130086878 |
10 | 13031333021213 |
11 | 4174614845351 |
12 | 156568708b6a5 |
13 | 736b0727a660 |
14 | 330a11508d53 |
15 | 178e95324ec8 |
hex | bda17f9c61d |
13031333021213 has 32 divisors (see below), whose sum is σ = 14540931686400. Its totient is φ = 11603721894336.
The previous prime is 13031333021183. The next prime is 13031333021219. The reversal of 13031333021213 is 31212033313031.
It is not a de Polignac number, because 13031333021213 - 212 = 13031333017117 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 (13031333021219) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9216956 + ... + 10536362.
It is an arithmetic number, because the mean of its divisors is an integer number (454404115200).
Almost surely, 213031333021213 is an apocalyptic number.
13031333021213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13031333021213 is a deficient number, since it is larger than the sum of its proper divisors (1509598665187).
13031333021213 is a wasteful number, since it uses less digits than its factorization.
13031333021213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1319721.
The product of its (nonzero) digits is 2916, while the sum is 26.
Adding to 13031333021213 its reverse (31212033313031), we get a palindrome (44243366334244).
The spelling of 13031333021213 in words is "thirteen trillion, thirty-one billion, three hundred thirty-three million, twenty-one thousand, two hundred thirteen".
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