Base | Representation |
---|---|
bin | 10101100010101010… |
… | …000100011111101111 |
3 | 2012200222020101002222 |
4 | 111202222010133233 |
5 | 334332242011421 |
6 | 14343100505555 |
7 | 1446120012644 |
oct | 254252043757 |
9 | 65628211088 |
10 | 23130032111 |
11 | 989a33351a |
12 | 459624b2bb |
13 | 2247cb9444 |
14 | 1195c99dcb |
15 | 905947cab |
hex | 562a847ef |
23130032111 has 4 divisors (see below), whose sum is σ = 23755168152. Its totient is φ = 22504896072.
The previous prime is 23130032069. The next prime is 23130032129. The reversal of 23130032111 is 11123003132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23130032111 - 230 = 22056290287 is a prime.
It is a super-2 number, since 2×231300321112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23130032111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23130032141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312567965 + ... + 312568038.
It is an arithmetic number, because the mean of its divisors is an integer number (5938792038).
Almost surely, 223130032111 is an apocalyptic number.
23130032111 is a deficient number, since it is larger than the sum of its proper divisors (625136041).
23130032111 is an equidigital number, since it uses as much as digits as its factorization.
23130032111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 625136040.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 23130032111 its reverse (11123003132), we get a palindrome (34253035243).
The spelling of 23130032111 in words is "twenty-three billion, one hundred thirty million, thirty-two thousand, one hundred eleven".
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