Base | Representation |
---|---|
bin | 10101100001001011… |
… | …000100111000101111 |
3 | 2012122020101012212201 |
4 | 111201023010320233 |
5 | 334304403130111 |
6 | 14340411042331 |
7 | 1445365236064 |
oct | 254113047057 |
9 | 65566335781 |
10 | 23105130031 |
11 | 9887275195 |
12 | 4589a403a7 |
13 | 2242aaa999 |
14 | 1192856c6b |
15 | 9036796c1 |
hex | 5612c4e2f |
23105130031 has 2 divisors, whose sum is σ = 23105130032. Its totient is φ = 23105130030.
The previous prime is 23105129989. The next prime is 23105130043. The reversal of 23105130031 is 13003150132.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23105130031 - 27 = 23105129903 is a prime.
It is a super-2 number, since 2×231051300312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23105129990 and 23105130008.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23105130731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552565015 + 11552565016.
It is an arithmetic number, because the mean of its divisors is an integer number (11552565016).
Almost surely, 223105130031 is an apocalyptic number.
23105130031 is a deficient number, since it is larger than the sum of its proper divisors (1).
23105130031 is an equidigital number, since it uses as much as digits as its factorization.
23105130031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 270, while the sum is 19.
Adding to 23105130031 its reverse (13003150132), we get a palindrome (36108280163).
The spelling of 23105130031 in words is "twenty-three billion, one hundred five million, one hundred thirty thousand, thirty-one".
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