Base | Representation |
---|---|
bin | 10101110100100111… |
… | …011111001110011101 |
3 | 2020110222012122202120 |
4 | 111310213133032131 |
5 | 340441411020203 |
6 | 14433023013153 |
7 | 1456436101224 |
oct | 256447371635 |
9 | 66428178676 |
10 | 23431345053 |
11 | 9a34424386 |
12 | 465b13a1b9 |
13 | 2295556a1c |
14 | 11c3cd1cbb |
15 | 922115b53 |
hex | 5749df39d |
23431345053 has 12 divisors (see below), whose sum is σ = 32972642208. Its totient is φ = 14798743560.
The previous prime is 23431344991. The next prime is 23431345087. The reversal of 23431345053 is 35054313432.
It is not a de Polignac number, because 23431345053 - 212 = 23431340957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23431345853) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10816713 + ... + 10818878.
It is an arithmetic number, because the mean of its divisors is an integer number (2747720184).
Almost surely, 223431345053 is an apocalyptic number.
It is an amenable number.
23431345053 is a deficient number, since it is larger than the sum of its proper divisors (9541297155).
23431345053 is a wasteful number, since it uses less digits than its factorization.
23431345053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21635632 (or 21635613 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 33.
Adding to 23431345053 its reverse (35054313432), we get a palindrome (58485658485).
The spelling of 23431345053 in words is "twenty-three billion, four hundred thirty-one million, three hundred forty-five thousand, fifty-three".
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