Base | Representation |
---|---|
bin | 10101100001100101… |
… | …110001111010011001 |
3 | 2012122201112212022021 |
4 | 111201211301322121 |
5 | 334313201131301 |
6 | 14341221054441 |
7 | 1445511602536 |
oct | 254145617231 |
9 | 65581485267 |
10 | 23112130201 |
11 | 9890216556 |
12 | 4590257421 |
13 | 224438bcb4 |
14 | 1193759d8d |
15 | 9040ad8a1 |
hex | 561971e99 |
23112130201 has 2 divisors, whose sum is σ = 23112130202. Its totient is φ = 23112130200.
The previous prime is 23112130199. The next prime is 23112130229. The reversal of 23112130201 is 10203121132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 17078569225 + 6033560976 = 130685^2 + 77676^2 .
It is a cyclic number.
It is not a de Polignac number, because 23112130201 - 21 = 23112130199 is a prime.
Together with 23112130199, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (23112130001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556065100 + 11556065101.
It is an arithmetic number, because the mean of its divisors is an integer number (11556065101).
Almost surely, 223112130201 is an apocalyptic number.
It is an amenable number.
23112130201 is a deficient number, since it is larger than the sum of its proper divisors (1).
23112130201 is an equidigital number, since it uses as much as digits as its factorization.
23112130201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 23112130201 its reverse (10203121132), we get a palindrome (33315251333).
The spelling of 23112130201 in words is "twenty-three billion, one hundred twelve million, one hundred thirty thousand, two hundred one".
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