Base | Representation |
---|---|
bin | 10101011100010011… |
… | …000010100000000011 |
3 | 2012102112110102011020 |
4 | 111130103002200003 |
5 | 334122433100311 |
6 | 14324325520523 |
7 | 1443353041650 |
oct | 253423024003 |
9 | 65375412136 |
10 | 23023331331 |
11 | 9845085660 |
12 | 4566573143 |
13 | 222bb6a9a0 |
14 | 1185a42c27 |
15 | 8eb3bcc06 |
hex | 55c4c2803 |
23023331331 has 64 divisors (see below), whose sum is σ = 41246392320. Its totient is φ = 11032179840.
The previous prime is 23023331329. The next prime is 23023331369. The reversal of 23023331331 is 13313332032.
It is not a de Polignac number, because 23023331331 - 21 = 23023331329 is a prime.
It is a super-2 number, since 2×230233313312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23023331371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7995550 + ... + 7998428.
It is an arithmetic number, because the mean of its divisors is an integer number (644474880).
Almost surely, 223023331331 is an apocalyptic number.
23023331331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
23023331331 is a deficient number, since it is larger than the sum of its proper divisors (18223060989).
23023331331 is a wasteful number, since it uses less digits than its factorization.
23023331331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5576.
The product of its (nonzero) digits is 2916, while the sum is 24.
Adding to 23023331331 its reverse (13313332032), we get a palindrome (36336663363).
The spelling of 23023331331 in words is "twenty-three billion, twenty-three million, three hundred thirty-one thousand, three hundred thirty-one".
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