Base | Representation |
---|---|
bin | 1000100111111110… |
… | …0001011101110011 |
3 | 12222100022211022221 |
4 | 2021333201131303 |
5 | 14220133140424 |
6 | 1021421141511 |
7 | 111241200205 |
oct | 21177413563 |
9 | 5870284287 |
10 | 2315130739 |
11 | a88915a99 |
12 | 5473ba897 |
13 | 2ab84215c |
14 | 17d68a775 |
15 | d83ae9e4 |
hex | 89fe1773 |
2315130739 has 4 divisors (see below), whose sum is σ = 2316644440. Its totient is φ = 2313617040.
The previous prime is 2315130721. The next prime is 2315130761. The reversal of 2315130739 is 9370315132.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2315130739 - 27 = 2315130611 is a prime.
It is a super-2 number, since 2×23151307392 = 10719660677325372242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2315130799) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754554 + ... + 757615.
It is an arithmetic number, because the mean of its divisors is an integer number (579161110).
Almost surely, 22315130739 is an apocalyptic number.
2315130739 is a deficient number, since it is larger than the sum of its proper divisors (1513701).
2315130739 is a wasteful number, since it uses less digits than its factorization.
2315130739 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1513700.
The product of its (nonzero) digits is 17010, while the sum is 34.
The square root of 2315130739 is about 48115.8055008954. The cubic root of 2315130739 is about 1322.8943870420.
The spelling of 2315130739 in words is "two billion, three hundred fifteen million, one hundred thirty thousand, seven hundred thirty-nine".
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