Base | Representation |
---|---|
bin | 10101011011001001… |
… | …110010111110011111 |
3 | 2012101012022221120102 |
4 | 111123021302332133 |
5 | 334103024144411 |
6 | 14322402211315 |
7 | 1443030613664 |
oct | 253311627637 |
9 | 65335287512 |
10 | 23004131231 |
11 | 9835261304 |
12 | 4560053b3b |
13 | 2227ba7693 |
14 | 1183285a6b |
15 | 8e9878d3b |
hex | 55b272f9f |
23004131231 has 8 divisors (see below), whose sum is σ = 24218947200. Its totient is φ = 21789722520.
The previous prime is 23004131207. The next prime is 23004131239. The reversal of 23004131231 is 13213140032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23004131231 - 26 = 23004131167 is a prime.
It is a super-2 number, since 2×230041312312 (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 (23004131239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17750 + ... + 215228.
It is an arithmetic number, because the mean of its divisors is an integer number (3027368400).
Almost surely, 223004131231 is an apocalyptic number.
23004131231 is a deficient number, since it is larger than the sum of its proper divisors (1214815969).
23004131231 is a wasteful number, since it uses less digits than its factorization.
23004131231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203629.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 23004131231 its reverse (13213140032), we get a palindrome (36217271263).
The spelling of 23004131231 in words is "twenty-three billion, four million, one hundred thirty-one thousand, two hundred thirty-one".
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