Base | Representation |
---|---|
bin | 1000100111111110… |
… | …0000110100101011 |
3 | 12222100022200201110 |
4 | 2021333200310223 |
5 | 14220133044412 |
6 | 1021421121403 |
7 | 111241156425 |
oct | 21177406453 |
9 | 5870280643 |
10 | 2315128107 |
11 | a88914016 |
12 | 5473b9263 |
13 | 2ab840bb6 |
14 | 17d689815 |
15 | d83add3c |
hex | 89fe0d2b |
2315128107 has 8 divisors (see below), whose sum is σ = 3087249984. Its totient is φ = 1543212488.
The previous prime is 2315128061. The next prime is 2315128111. The reversal of 2315128107 is 7018215132.
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 2315128107 - 214 = 2315111723 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2315128157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23133 + ... + 71870.
It is an arithmetic number, because the mean of its divisors is an integer number (385906248).
Almost surely, 22315128107 is an apocalyptic number.
2315128107 is a deficient number, since it is larger than the sum of its proper divisors (772121877).
2315128107 is an equidigital number, since it uses as much as digits as its factorization.
2315128107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103129.
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 2315128107 is about 48115.7781502077. The cubic root of 2315128107 is about 1322.8938857227.
The spelling of 2315128107 in words is "two billion, three hundred fifteen million, one hundred twenty-eight thousand, one hundred seven".
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