Base | Representation |
---|---|
bin | 10111010101001111… |
… | …110011000111111010 |
3 | 2101122221202010122011 |
4 | 113111033303013322 |
5 | 402301421300200 |
6 | 15301534320134 |
7 | 1544552643430 |
oct | 272517630772 |
9 | 71587663564 |
10 | 25052525050 |
11 | a696551963 |
12 | 4a3205904a |
13 | 2493397027 |
14 | 12d933ad50 |
15 | 9b95ea5ba |
hex | 5d53f31fa |
25052525050 has 48 divisors (see below), whose sum is σ = 56057394240. Its totient is φ = 8137359360.
The previous prime is 25052525041. The next prime is 25052525051. The reversal of 25052525050 is 5052525052.
It is a super-2 number, since 2×250525250502 (a number of 22 digits) contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (25052525051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1876999 + ... + 1890298.
It is an arithmetic number, because the mean of its divisors is an integer number (1167862380).
Almost surely, 225052525050 is an apocalyptic number.
25052525050 is an abundant number, since it is smaller than the sum of its proper divisors (31004869190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25052525050 is a wasteful number, since it uses less digits than its factorization.
25052525050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3767335 (or 3767330 counting only the distinct ones).
The product of its (nonzero) digits is 25000, while the sum is 31.
The spelling of 25052525050 in words is "twenty-five billion, fifty-two million, five hundred twenty-five thousand, fifty".
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