Base | Representation |
---|---|
bin | 1001010111010110… |
… | …1011000011001001 |
3 | 20111012022002101212 |
4 | 2111311223003021 |
5 | 20122023001040 |
6 | 1053241022505 |
7 | 116203405025 |
oct | 22565530311 |
9 | 6435262355 |
10 | 2513875145 |
11 | 1080020671 |
12 | 5a1a84a35 |
13 | 310a79ab2 |
14 | 19bc23385 |
15 | eaa6bd65 |
hex | 95d6b0c9 |
2513875145 has 8 divisors (see below), whose sum is σ = 3017064456. Its totient is φ = 2010823936.
The previous prime is 2513875141. The next prime is 2513875207. The reversal of 2513875145 is 5415783152.
It is a happy number.
2513875145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 944209984 + 1569665161 = 30728^2 + 39619^2 .
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 2513875145 - 22 = 2513875141 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2513875141) 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, 10979 + ... + 71751.
It is an arithmetic number, because the mean of its divisors is an integer number (377133057).
Almost surely, 22513875145 is an apocalyptic number.
It is an amenable number.
2513875145 is a deficient number, since it is larger than the sum of its proper divisors (503189311).
2513875145 is an equidigital number, since it uses as much as digits as its factorization.
2513875145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69051.
The product of its digits is 168000, while the sum is 41.
The square root of 2513875145 is about 50138.5594627528. The cubic root of 2513875145 is about 1359.7150399578.
The spelling of 2513875145 in words is "two billion, five hundred thirteen million, eight hundred seventy-five thousand, one hundred forty-five".
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