Base | Representation |
---|---|
bin | 1011000110101110010010… |
… | …0001011011010110111011 |
3 | 1121020021111000200002120201 |
4 | 2301223210201123112323 |
5 | 3100022322020221131 |
6 | 41545131243103031 |
7 | 2400103300153405 |
oct | 261534441332673 |
9 | 47207430602521 |
10 | 12210131023291 |
11 | 3988318710823 |
12 | 14524a4211a77 |
13 | 6a75448b26a6 |
14 | 302d8b3abb75 |
15 | 1629309d4761 |
hex | b1ae485b5bb |
12210131023291 has 2 divisors, whose sum is σ = 12210131023292. Its totient is φ = 12210131023290.
The previous prime is 12210131023267. The next prime is 12210131023297. The reversal of 12210131023291 is 19232013101221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12210131023291 - 211 = 12210131021243 is a prime.
It is not a weakly prime, because it can be changed into another prime (12210131023297) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105065511645 + 6105065511646.
It is an arithmetic number, because the mean of its divisors is an integer number (6105065511646).
Almost surely, 212210131023291 is an apocalyptic number.
12210131023291 is a deficient number, since it is larger than the sum of its proper divisors (1).
12210131023291 is an equidigital number, since it uses as much as digits as its factorization.
12210131023291 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 28.
It can be divided in two parts, 122101310 and 23291, that added together give a square (122124601 = 110512).
The spelling of 12210131023291 in words is "twelve trillion, two hundred ten billion, one hundred thirty-one million, twenty-three thousand, two hundred ninety-one".
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