Base | Representation |
---|---|
bin | 111111011111001… |
… | …1111010100010111 |
3 | 12111110112222112001 |
4 | 1332332133110113 |
5 | 13330324413143 |
6 | 551215540131 |
7 | 103535224363 |
oct | 17676372427 |
9 | 5443488461 |
10 | 2130310423 |
11 | 9a356082a |
12 | 4b552a647 |
13 | 27c471217 |
14 | 162cda2a3 |
15 | c705314d |
hex | 7ef9f517 |
2130310423 has 4 divisors (see below), whose sum is σ = 2130783480. Its totient is φ = 2129837368.
The previous prime is 2130310367. The next prime is 2130310433. The reversal of 2130310423 is 3240130312.
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 2130310423 - 229 = 1593439511 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 2130310423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130310433) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229708 + ... + 238801.
It is an arithmetic number, because the mean of its divisors is an integer number (532695870).
Almost surely, 22130310423 is an apocalyptic number.
2130310423 is a deficient number, since it is larger than the sum of its proper divisors (473057).
2130310423 is an equidigital number, since it uses as much as digits as its factorization.
2130310423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473056.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 2130310423 is about 46155.2859702981. The cubic root of 2130310423 is about 1286.7108529201.
Adding to 2130310423 its reverse (3240130312), we get a palindrome (5370440735).
The spelling of 2130310423 in words is "two billion, one hundred thirty million, three hundred ten thousand, four hundred twenty-three".
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