Base | Representation |
---|---|
bin | 10101111010100001… |
… | …110101000101001000 |
3 | 2020201212211112001221 |
4 | 111322201311011020 |
5 | 341142303300000 |
6 | 14450524451424 |
7 | 1462052106463 |
oct | 257241650510 |
9 | 66655745057 |
10 | 23530525000 |
11 | 9a85405784 |
12 | 46883a9b74 |
13 | 22acc71198 |
14 | 11d314c2da |
15 | 92aba761a |
hex | 57a875148 |
23530525000 has 48 divisors (see below), whose sum is σ = 55146196980. Its totient is φ = 9412200000.
The previous prime is 23530524989. The next prime is 23530525001. The reversal of 23530525000 is 52503532.
It can be written as a sum of positive squares in 6 ways, for example, as 9328082724 + 14202442276 = 96582^2 + 119174^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (23530525001) 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, 445611 + ... + 495610.
Almost surely, 223530525000 is an apocalyptic number.
23530525000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23530525000 is an abundant number, since it is smaller than the sum of its proper divisors (31615671980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23530525000 is an frugal number, since it uses more digits than its factorization.
23530525000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 941252 (or 941228 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 25.
The spelling of 23530525000 in words is "twenty-three billion, five hundred thirty million, five hundred twenty-five thousand".
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