Base | Representation |
---|---|
bin | 10111101011011010… |
… | …110011110001001001 |
3 | 2102121212200221002110 |
4 | 113223122303301021 |
5 | 404032133310100 |
6 | 15402503252533 |
7 | 1560020524635 |
oct | 275332636111 |
9 | 72555627073 |
10 | 25424510025 |
11 | a867522762 |
12 | 4b1674a149 |
13 | 2522479c95 |
14 | 13328cbdc5 |
15 | 9dc0c8250 |
hex | 5eb6b3c49 |
25424510025 has 48 divisors (see below), whose sum is σ = 43271230464. Its totient is φ = 13164809280.
The previous prime is 25424509997. The next prime is 25424510057. The reversal of 25424510025 is 52001542452.
It is not a de Polignac number, because 25424510025 - 28 = 25424509769 is a prime.
It is a super-2 number, since 2×254245100252 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25424509974 and 25424510001.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 514972 + ... + 562178.
It is an arithmetic number, because the mean of its divisors is an integer number (901483968).
Almost surely, 225424510025 is an apocalyptic number.
25424510025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25424510025 is a deficient number, since it is larger than the sum of its proper divisors (17846720439).
25424510025 is a wasteful number, since it uses less digits than its factorization.
25424510025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47430 (or 47425 counting only the distinct ones).
The product of its (nonzero) digits is 16000, while the sum is 30.
The spelling of 25424510025 in words is "twenty-five billion, four hundred twenty-four million, five hundred ten thousand, twenty-five".
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