Base | Representation |
---|---|
bin | 10101011100110100… |
… | …001110111111001111 |
3 | 2012110010211111220211 |
4 | 111130310032333033 |
5 | 334132200030411 |
6 | 14325240223251 |
7 | 1443520023634 |
oct | 253464167717 |
9 | 65403744824 |
10 | 23032033231 |
11 | 9849a89509 |
12 | 456946ab27 |
13 | 22308c673c |
14 | 1186c6a18b |
15 | 8ec03b221 |
hex | 55cd0efcf |
23032033231 has 4 divisors (see below), whose sum is σ = 23092169472. Its totient is φ = 22971896992.
The previous prime is 23032033183. The next prime is 23032033249. The reversal of 23032033231 is 13233023032.
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 23032033231 - 29 = 23032032719 is a prime.
It is a super-2 number, since 2×230320332312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23032033261) 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, 30067546 + ... + 30068311.
It is an arithmetic number, because the mean of its divisors is an integer number (5773042368).
Almost surely, 223032033231 is an apocalyptic number.
23032033231 is a deficient number, since it is larger than the sum of its proper divisors (60136241).
23032033231 is an equidigital number, since it uses as much as digits as its factorization.
23032033231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60136240.
The product of its (nonzero) digits is 1944, while the sum is 22.
Adding to 23032033231 its reverse (13233023032), we get a palindrome (36265056263).
The spelling of 23032033231 in words is "twenty-three billion, thirty-two million, thirty-three thousand, two hundred thirty-one".
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