Base | Representation |
---|---|
bin | 10101100010010110… |
… | …111111011000100010 |
3 | 2012200121211021002200 |
4 | 111202112333120202 |
5 | 334330001433214 |
6 | 14342401354030 |
7 | 1446026341542 |
oct | 254226773042 |
9 | 65617737080 |
10 | 23125030434 |
11 | 9897527700 |
12 | 4594638916 |
13 | 2246c5797c |
14 | 1195357322 |
15 | 9052aad09 |
hex | 5625bf622 |
23125030434 has 72 divisors (see below), whose sum is σ = 55849300416. Its totient is φ = 6908840400.
The previous prime is 23125030429. The next prime is 23125030541. The reversal of 23125030434 is 43403052132.
It is a junction number, because it is equal to n+sod(n) for n = 23125030398 and 23125030407.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 79867 + ... + 229409.
It is an arithmetic number, because the mean of its divisors is an integer number (775684728).
Almost surely, 223125030434 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23125030434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27924650208).
23125030434 is an abundant number, since it is smaller than the sum of its proper divisors (32724269982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23125030434 is a wasteful number, since it uses less digits than its factorization.
23125030434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149644 (or 149630 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
Adding to 23125030434 its reverse (43403052132), we get a palindrome (66528082566).
The spelling of 23125030434 in words is "twenty-three billion, one hundred twenty-five million, thirty thousand, four hundred thirty-four".
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