Base | Representation |
---|---|
bin | 1011110101111111100101… |
… | …1110001001010000111111 |
3 | 1201002220122200121202010122 |
4 | 2331133321132021100333 |
5 | 3201324012203200411 |
6 | 43410155214325155 |
7 | 2512553013511463 |
oct | 275377136112077 |
9 | 51086580552118 |
10 | 13022231303231 |
11 | 4170774099977 |
12 | 1563966ab97bb |
13 | 735cb6704907 |
14 | 3303ca7b64a3 |
15 | 178b112549db |
hex | bd7f978943f |
13022231303231 has 4 divisors (see below), whose sum is σ = 13022307151200. Its totient is φ = 13022155455264.
The previous prime is 13022231303203. The next prime is 13022231303243. The reversal of 13022231303231 is 13230313222031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13022231303231 - 218 = 13022231041087 is a prime.
It is a super-2 number, since 2×130222313032312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13022231303231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13022231303131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37665866 + ... + 38010023.
It is an arithmetic number, because the mean of its divisors is an integer number (3255576787800).
Almost surely, 213022231303231 is an apocalyptic number.
13022231303231 is a deficient number, since it is larger than the sum of its proper divisors (75847969).
13022231303231 is an equidigital number, since it uses as much as digits as its factorization.
13022231303231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75847968.
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 13022231303231 its reverse (13230313222031), we get a palindrome (26252544525262).
The spelling of 13022231303231 in words is "thirteen trillion, twenty-two billion, two hundred thirty-one million, three hundred three thousand, two hundred thirty-one".
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