Base | Representation |
---|---|
bin | 110111111011010100… |
… | …1100101011000001011 |
3 | 102111000010111120112222 |
4 | 1233312221211120023 |
5 | 3431432131310011 |
6 | 131101343124255 |
7 | 11451146652605 |
oct | 1576651453013 |
9 | 374003446488 |
10 | 120102213131 |
11 | 46a3162838a |
12 | 1b339ba368b |
13 | b430424304 |
14 | 5b54b52175 |
15 | 31cde45ddb |
hex | 1bf6a6560b |
120102213131 has 2 divisors, whose sum is σ = 120102213132. Its totient is φ = 120102213130.
The previous prime is 120102213103. The next prime is 120102213151. The reversal of 120102213131 is 131312201021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 120102213131 - 218 = 120101950987 is a prime.
It is a super-2 number, since 2×1201022131312 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (120102213151) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051106565 + 60051106566.
It is an arithmetic number, because the mean of its divisors is an integer number (60051106566).
Almost surely, 2120102213131 is an apocalyptic number.
120102213131 is a deficient number, since it is larger than the sum of its proper divisors (1).
120102213131 is an equidigital number, since it uses as much as digits as its factorization.
120102213131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 120102213131 its reverse (131312201021), we get a palindrome (251414414152).
The spelling of 120102213131 in words is "one hundred twenty billion, one hundred two million, two hundred thirteen thousand, one hundred thirty-one".
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