Base | Representation |
---|---|
bin | 10111011010100101… |
… | …010100010010111001 |
3 | 2101220012012120120001 |
4 | 113122211110102321 |
5 | 402442331131100 |
6 | 15314453233001 |
7 | 1550020626136 |
oct | 273245242271 |
9 | 71805176501 |
10 | 25142052025 |
11 | a73203a8a2 |
12 | 4a58032761 |
13 | 24a8ab187c |
14 | 13071a358d |
15 | 9c23d1d6a |
hex | 5da9544b9 |
25142052025 has 12 divisors (see below), whose sum is σ = 31704555600. Its totient is φ = 19772731280.
The previous prime is 25142051941. The next prime is 25142052041. The reversal of 25142052025 is 52025024152.
It is not a de Polignac number, because 25142052025 - 215 = 25142019257 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 25142051984 and 25142052002.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8521255 + ... + 8524204.
It is an arithmetic number, because the mean of its divisors is an integer number (2642046300).
Almost surely, 225142052025 is an apocalyptic number.
25142052025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25142052025 is a deficient number, since it is larger than the sum of its proper divisors (6562503575).
25142052025 is a wasteful number, since it uses less digits than its factorization.
25142052025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17045528 (or 17045523 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 28.
Adding to 25142052025 its reverse (52025024152), we get a palindrome (77167076177).
The spelling of 25142052025 in words is "twenty-five billion, one hundred forty-two million, fifty-two thousand, twenty-five".
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