Base | Representation |
---|---|
bin | 1000111011111111… |
… | …1101010001111001 |
3 | 20012012101110200021 |
4 | 2032333331101321 |
5 | 14403134140440 |
6 | 1034021410441 |
7 | 113311163164 |
oct | 21677752171 |
9 | 6165343607 |
10 | 2399130745 |
11 | 1021279490 |
12 | 56b569a21 |
13 | 2c30730bb |
14 | 18a8b4adb |
15 | e095384a |
hex | 8effd479 |
2399130745 has 16 divisors (see below), whose sum is σ = 3207506688. Its totient is φ = 1707696640.
The previous prime is 2399130743. The next prime is 2399130757. The reversal of 2399130745 is 5470319932.
It is not a de Polignac number, because 2399130745 - 21 = 2399130743 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2399130743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461464 + ... + 466633.
It is an arithmetic number, because the mean of its divisors is an integer number (200469168).
Almost surely, 22399130745 is an apocalyptic number.
It is an amenable number.
2399130745 is a deficient number, since it is larger than the sum of its proper divisors (808375943).
2399130745 is a wasteful number, since it uses less digits than its factorization.
2399130745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 928160.
The product of its (nonzero) digits is 204120, while the sum is 43.
The square root of 2399130745 is about 48980.9222555068. The cubic root of 2399130745 is about 1338.7042395513.
The spelling of 2399130745 in words is "two billion, three hundred ninety-nine million, one hundred thirty thousand, seven hundred forty-five".
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