Base | Representation |
---|---|
bin | 10110001110101011… |
… | …111000100100000001 |
3 | 2021121110011211212001 |
4 | 112032223320210001 |
5 | 342340342030100 |
6 | 14544245104001 |
7 | 1503326434204 |
oct | 261653704401 |
9 | 67543154761 |
10 | 23868705025 |
11 | a139297400 |
12 | 47616b8001 |
13 | 23350492c9 |
14 | 122601d93b |
15 | 94a708d6a |
hex | 58eaf8901 |
23868705025 has 45 divisors (see below), whose sum is σ = 33158077183. Its totient is φ = 17031528800.
The previous prime is 23868705023. The next prime is 23868705089. The reversal of 23868705025 is 52050786832.
It is a happy number.
The square root of 23868705025 is 154495.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 7 ways, for example, as 4889785329 + 18978919696 = 69927^2 + 137764^2 .
It is not a de Polignac number, because 23868705025 - 21 = 23868705023 is a prime.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (23868705023) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 450352899 + ... + 450352951.
Almost surely, 223868705025 is an apocalyptic number.
23868705025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23868705025 is the 154495-th square number.
23868705025 is the 77248-th centered octagonal number.
It is an amenable number.
23868705025 is a deficient number, since it is larger than the sum of its proper divisors (9289372158).
23868705025 is an frugal number, since it uses more digits than its factorization.
23868705025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244 (or 69 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 46.
The spelling of 23868705025 in words is "twenty-three billion, eight hundred sixty-eight million, seven hundred five thousand, twenty-five".
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