Base | Representation |
---|---|
bin | 1001010100000100… |
… | …1001001110100101 |
3 | 20110020101111111010 |
4 | 2111001021032211 |
5 | 20110011331000 |
6 | 1052025532433 |
7 | 115645354140 |
oct | 22501111645 |
9 | 6406344433 |
10 | 2500105125 |
11 | 1073275a91 |
12 | 599344119 |
13 | 30ac6825b |
14 | 19a07b057 |
15 | e974bd50 |
hex | 950493a5 |
2500105125 has 64 divisors (see below), whose sum is σ = 4769856000. Its totient is φ = 1139212800.
The previous prime is 2500105103. The next prime is 2500105147. The reversal of 2500105125 is 5215010052.
It is an interprime number because it is at equal distance from previous prime (2500105103) and next prime (2500105147).
It is not a de Polignac number, because 2500105125 - 26 = 2500105061 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 914761 + ... + 917489.
It is an arithmetic number, because the mean of its divisors is an integer number (74529000).
Almost surely, 22500105125 is an apocalyptic number.
2500105125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2500105125 is a deficient number, since it is larger than the sum of its proper divisors (2269750875).
2500105125 is a wasteful number, since it uses less digits than its factorization.
2500105125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3103 (or 3093 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 21.
The square root of 2500105125 is about 50001.0512389490. The cubic root of 2500105125 is about 1357.2278315743.
Adding to 2500105125 its reverse (5215010052), we get a palindrome (7715115177).
The spelling of 2500105125 in words is "two billion, five hundred million, one hundred five thousand, one hundred twenty-five".
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