Base | Representation |
---|---|
bin | 10101100011100100… |
… | …101111101001110000 |
3 | 2012202001011211001010 |
4 | 111203210233221300 |
5 | 334400211210412 |
6 | 14344410310520 |
7 | 1446364523604 |
oct | 254344575160 |
9 | 65661154033 |
10 | 23145413232 |
11 | 98a7a89597 |
12 | 459b428440 |
13 | 224b2433b6 |
14 | 1197d41504 |
15 | 906e8533c |
hex | 56392fa70 |
23145413232 has 80 divisors (see below), whose sum is σ = 64781925120. Its totient is φ = 7092427776.
The previous prime is 23145413197. The next prime is 23145413237. The reversal of 23145413232 is 23231454132.
It is a self number, because there is not a number n which added to its sum of digits gives 23145413232.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23145413237) 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, 294732 + ... + 364907.
It is an arithmetic number, because the mean of its divisors is an integer number (809774064).
Almost surely, 223145413232 is an apocalyptic number.
It is an amenable number.
23145413232 is an abundant number, since it is smaller than the sum of its proper divisors (41636511888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23145413232 is a wasteful number, since it uses less digits than its factorization.
23145413232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659710 (or 659704 counting only the distinct ones).
The product of its digits is 17280, while the sum is 30.
Adding to 23145413232 its reverse (23231454132), we get a palindrome (46376867364).
The spelling of 23145413232 in words is "twenty-three billion, one hundred forty-five million, four hundred thirteen thousand, two hundred thirty-two".
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