Base | Representation |
---|---|
bin | 1001010100000011… |
… | …1000111000000001 |
3 | 20110020021002121101 |
4 | 2111000320320001 |
5 | 20110002210040 |
6 | 1052024254401 |
7 | 115644654643 |
oct | 22500707001 |
9 | 6406232541 |
10 | 2500038145 |
11 | 107322a730 |
12 | 599311401 |
13 | 30ac43917 |
14 | 19a060893 |
15 | e973709a |
hex | 95038e01 |
2500038145 has 32 divisors (see below), whose sum is σ = 3478625280. Its totient is φ = 1705717440.
The previous prime is 2500038137. The next prime is 2500038157. The reversal of 2500038145 is 5418300052.
It is not a de Polignac number, because 2500038145 - 23 = 2500038137 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96022 + ... + 119248.
It is an arithmetic number, because the mean of its divisors is an integer number (108707040).
Almost surely, 22500038145 is an apocalyptic number.
It is an amenable number.
2500038145 is a deficient number, since it is larger than the sum of its proper divisors (978587135).
2500038145 is a wasteful number, since it uses less digits than its factorization.
2500038145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23365.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 2500038145 is about 50000.3814485450. The cubic root of 2500038145 is about 1357.2157110263.
Adding to 2500038145 its reverse (5418300052), we get a palindrome (7918338197).
The spelling of 2500038145 in words is "two billion, five hundred million, thirty-eight thousand, one hundred forty-five".
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