Base | Representation |
---|---|
bin | 1000101000000100… |
… | …0101101011111011 |
3 | 12222101002200102210 |
4 | 2022001011223323 |
5 | 14220234304433 |
6 | 1021434030203 |
7 | 111244530051 |
oct | 21201055373 |
9 | 5871080383 |
10 | 2315541243 |
11 | a89076454 |
12 | 547578363 |
13 | 2ab956c62 |
14 | 17d7561d1 |
15 | d8441463 |
hex | 8a045afb |
2315541243 has 8 divisors (see below), whose sum is σ = 3087705088. Its totient is φ = 1543535784.
The previous prime is 2315541233. The next prime is 2315541259. The reversal of 2315541243 is 3421455132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2315541243 - 28 = 2315540987 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2315541243.
It is not an unprimeable number, because it can be changed into a prime (2315541233) 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, 246 + ... + 68052.
It is an arithmetic number, because the mean of its divisors is an integer number (385963136).
Almost surely, 22315541243 is an apocalyptic number.
2315541243 is a deficient number, since it is larger than the sum of its proper divisors (772163845).
2315541243 is a wasteful number, since it uses less digits than its factorization.
2315541243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79193.
The product of its digits is 14400, while the sum is 30.
The square root of 2315541243 is about 48120.0711034387. The cubic root of 2315541243 is about 1322.9725714450.
Adding to 2315541243 its reverse (3421455132), we get a palindrome (5736996375).
The spelling of 2315541243 in words is "two billion, three hundred fifteen million, five hundred forty-one thousand, two hundred forty-three".
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