Base | Representation |
---|---|
bin | 1110101100101110101… |
… | …0011011111100011101 |
3 | 220010210220100021102022 |
4 | 3223023222123330131 |
5 | 13114132400040100 |
6 | 312001451105525 |
7 | 24146543051105 |
oct | 3531352337435 |
9 | 803726307368 |
10 | 252525002525 |
11 | 98105864aa4 |
12 | 40b361422a5 |
13 | 1aa75233723 |
14 | c317cd0205 |
15 | 687e832e85 |
hex | 3acba9bf1d |
252525002525 has 12 divisors (see below), whose sum is σ = 315521320224. Its totient is φ = 200477862000.
The previous prime is 252525002507. The next prime is 252525002537. The reversal of 252525002525 is 525200525252.
It is a de Polignac number, because none of the positive numbers 2k-252525002525 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 38550161 + ... + 38556710.
It is an arithmetic number, because the mean of its divisors is an integer number (26293443352).
Almost surely, 2252525002525 is an apocalyptic number.
252525002525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
252525002525 is a deficient number, since it is larger than the sum of its proper divisors (62996317699).
252525002525 is a wasteful number, since it uses less digits than its factorization.
252525002525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77107012 (or 77107007 counting only the distinct ones).
The product of its (nonzero) digits is 100000, while the sum is 35.
Adding to 252525002525 its reverse (525200525252), we get a palindrome (777725527777).
The spelling of 252525002525 in words is "two hundred fifty-two billion, five hundred twenty-five million, two thousand, five hundred twenty-five".
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