Base | Representation |
---|---|
bin | 10101101100111010… |
… | …100101010111101111 |
3 | 2020010222002000110112 |
4 | 111230322211113233 |
5 | 340210321230411 |
6 | 14412125330235 |
7 | 1453306602326 |
oct | 255472452757 |
9 | 66128060415 |
10 | 23302133231 |
11 | 99784a0653 |
12 | 4623a0697b |
13 | 2274855c20 |
14 | 11b0a990bd |
15 | 915ae0b8b |
hex | 56cea55ef |
23302133231 has 4 divisors (see below), whose sum is σ = 25094605032. Its totient is φ = 21509661432.
The previous prime is 23302133201. The next prime is 23302133237. The reversal of 23302133231 is 13233120332.
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 23302133231 - 26 = 23302133167 is a prime.
It is a super-2 number, since 2×233021332312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23302133197 and 23302133206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23302133237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896235881 + ... + 896235906.
It is an arithmetic number, because the mean of its divisors is an integer number (6273651258).
Almost surely, 223302133231 is an apocalyptic number.
23302133231 is a deficient number, since it is larger than the sum of its proper divisors (1792471801).
23302133231 is a wasteful number, since it uses less digits than its factorization.
23302133231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1792471800.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 23302133231 its reverse (13233120332), we get a palindrome (36535253563).
The spelling of 23302133231 in words is "twenty-three billion, three hundred two million, one hundred thirty-three thousand, two hundred thirty-one".
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