Base | Representation |
---|---|
bin | 1001011010000011… |
… | …1001010101111111 |
3 | 20111222121202020222 |
4 | 2112200321111333 |
5 | 20132423042022 |
6 | 1054323531555 |
7 | 116401616201 |
oct | 22640712577 |
9 | 6458552228 |
10 | 2525205887 |
11 | 108645a616 |
12 | 5a5829bbb |
13 | 313216289 |
14 | 19d532771 |
15 | eba59242 |
hex | 9683957f |
2525205887 has 8 divisors (see below), whose sum is σ = 2667509760. Its totient is φ = 2383841880.
The previous prime is 2525205883. The next prime is 2525205889. The reversal of 2525205887 is 7885025252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2525205887 - 22 = 2525205883 is a prime.
It is a super-4 number, since 4×25252058874 (a number of 39 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2525205883) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229439 + ... + 240192.
It is an arithmetic number, because the mean of its divisors is an integer number (333438720).
Almost surely, 22525205887 is an apocalyptic number.
2525205887 is a deficient number, since it is larger than the sum of its proper divisors (142303873).
2525205887 is a wasteful number, since it uses less digits than its factorization.
2525205887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469933.
The product of its (nonzero) digits is 448000, while the sum is 44.
The square root of 2525205887 is about 50251.4267160645. The cubic root of 2525205887 is about 1361.7548509998.
The spelling of 2525205887 in words is "two billion, five hundred twenty-five million, two hundred five thousand, eight hundred eighty-seven".
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