Base | Representation |
---|---|
bin | 11101111001111110… |
… | …100111110010101001 |
3 | 10001212212221111122022 |
4 | 131321332213302221 |
5 | 1011230433330441 |
6 | 22430211034225 |
7 | 2214513644465 |
oct | 357176476251 |
9 | 101785844568 |
10 | 32111230121 |
11 | 12688a52513 |
12 | 6281b9b975 |
13 | 30498b56a9 |
14 | 17a89b94a5 |
15 | c7e15d84b |
hex | 779fa7ca9 |
32111230121 has 2 divisors, whose sum is σ = 32111230122. Its totient is φ = 32111230120.
The previous prime is 32111229989. The next prime is 32111230133. The reversal of 32111230121 is 12103211123.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 31067940121 + 1043290000 = 176261^2 + 32300^2 .
It is a cyclic number.
It is not a de Polignac number, because 32111230121 - 226 = 32044121257 is a prime.
It is a super-2 number, since 2×321112301212 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 32111230121.
It is not a weakly prime, because it can be changed into another prime (32111230141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16055615060 + 16055615061.
It is an arithmetic number, because the mean of its divisors is an integer number (16055615061).
Almost surely, 232111230121 is an apocalyptic number.
It is an amenable number.
32111230121 is a deficient number, since it is larger than the sum of its proper divisors (1).
32111230121 is an equidigital number, since it uses as much as digits as its factorization.
32111230121 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 32111230121 its reverse (12103211123), we get a palindrome (44214441244).
The spelling of 32111230121 in words is "thirty-two billion, one hundred eleven million, two hundred thirty thousand, one hundred twenty-one".
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