Base | Representation |
---|---|
bin | 10101110000101011… |
… | …111011111001110111 |
3 | 2020022101010102012211 |
4 | 111300223323321313 |
5 | 340323020332411 |
6 | 14422305354251 |
7 | 1455005433133 |
oct | 256053737167 |
9 | 66271112184 |
10 | 23365402231 |
11 | 9a00184586 |
12 | 4641038987 |
13 | 22849a8ac2 |
14 | 11b92483c3 |
15 | 91b43c221 |
hex | 570afbe77 |
23365402231 has 4 divisors (see below), whose sum is σ = 23366332000. Its totient is φ = 23364472464.
The previous prime is 23365402169. The next prime is 23365402261. The reversal of 23365402231 is 13220456332.
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 23365402231 - 217 = 23365271159 is a prime.
It is a super-3 number, since 3×233654022313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23365402193 and 23365402202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23365402261) 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 in 3 ways as a sum of consecutive naturals, for example, 426111 + ... + 477808.
It is an arithmetic number, because the mean of its divisors is an integer number (5841583000).
Almost surely, 223365402231 is an apocalyptic number.
23365402231 is a deficient number, since it is larger than the sum of its proper divisors (929769).
23365402231 is an equidigital number, since it uses as much as digits as its factorization.
23365402231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929768.
The product of its (nonzero) digits is 25920, while the sum is 31.
Adding to 23365402231 its reverse (13220456332), we get a palindrome (36585858563).
The spelling of 23365402231 in words is "twenty-three billion, three hundred sixty-five million, four hundred two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.059 sec. • engine limits •