Base | Representation |
---|---|
bin | 10101100001001000… |
… | …011010101111110110 |
3 | 2012122012001210221000 |
4 | 111201020122233312 |
5 | 334304213330032 |
6 | 14340344104130 |
7 | 1445356304250 |
oct | 254110325766 |
9 | 65565053830 |
10 | 23104433142 |
11 | 988693964a |
12 | 4589765046 |
13 | 22428c571b |
14 | 1192714cd0 |
15 | 90358ce7c |
hex | 56121abf6 |
23104433142 has 64 divisors (see below), whose sum is σ = 58887014400. Its totient is φ = 6577744320.
The previous prime is 23104433129. The next prime is 23104433147. The reversal of 23104433142 is 24133440132.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23104433147) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2542 + ... + 214977.
It is an arithmetic number, because the mean of its divisors is an integer number (920109600).
Almost surely, 223104433142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23104433142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29443507200).
23104433142 is an abundant number, since it is smaller than the sum of its proper divisors (35782581258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23104433142 is a wasteful number, since it uses less digits than its factorization.
23104433142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217818 (or 217812 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 23104433142 its reverse (24133440132), we get a palindrome (47237873274).
The spelling of 23104433142 in words is "twenty-three billion, one hundred four million, four hundred thirty-three thousand, one hundred forty-two".
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