Base | Representation |
---|---|
bin | 10101101010000101… |
… | …011011100111101111 |
3 | 2020000122201101011201 |
4 | 111222011123213233 |
5 | 340111142121411 |
6 | 14403311430331 |
7 | 1452162136336 |
oct | 255205334757 |
9 | 66018641151 |
10 | 23254645231 |
11 | 9953706174 |
12 | 460bb253a7 |
13 | 2267a6a00c |
14 | 11a8656d1d |
15 | 9118603c1 |
hex | 56a15b9ef |
23254645231 has 16 divisors (see below), whose sum is σ = 23595455520. Its totient is φ = 22916521600.
The previous prime is 23254645187. The next prime is 23254645247. The reversal of 23254645231 is 13254645232.
It is a cyclic number.
It is not a de Polignac number, because 23254645231 - 219 = 23254120943 is a prime.
It is a super-2 number, since 2×232546452312 (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 (23254645031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29177325 + ... + 29178121.
It is an arithmetic number, because the mean of its divisors is an integer number (1474715970).
Almost surely, 223254645231 is an apocalyptic number.
23254645231 is a deficient number, since it is larger than the sum of its proper divisors (340810289).
23254645231 is a wasteful number, since it uses less digits than its factorization.
23254645231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1994.
The product of its digits is 172800, while the sum is 37.
Subtracting from 23254645231 its reverse (13254645232), we obtain a palindrome (9999999999).
The spelling of 23254645231 in words is "twenty-three billion, two hundred fifty-four million, six hundred forty-five thousand, two hundred thirty-one".
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