Base | Representation |
---|---|
bin | 10101100111011011… |
… | …010010111001010101 |
3 | 2012220112210110011210 |
4 | 111213123102321111 |
5 | 340013232420023 |
6 | 14355035452033 |
7 | 1451111061501 |
oct | 254733227125 |
9 | 65815713153 |
10 | 23210045013 |
11 | 9930513391 |
12 | 45b8bb7019 |
13 | 225b75265c |
14 | 11a2767301 |
15 | 90c9a0593 |
hex | 5676d2e55 |
23210045013 has 4 divisors (see below), whose sum is σ = 30946726688. Its totient is φ = 15473363340.
The previous prime is 23210045003. The next prime is 23210045017. The reversal of 23210045013 is 31054001232.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 23210045013 - 213 = 23210036821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23210045017) 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, 3868340833 + ... + 3868340838.
It is an arithmetic number, because the mean of its divisors is an integer number (7736681672).
Almost surely, 223210045013 is an apocalyptic number.
It is an amenable number.
23210045013 is a deficient number, since it is larger than the sum of its proper divisors (7736681675).
23210045013 is an equidigital number, since it uses as much as digits as its factorization.
23210045013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7736681674.
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 23210045013 its reverse (31054001232), we get a palindrome (54264046245).
The spelling of 23210045013 in words is "twenty-three billion, two hundred ten million, forty-five thousand, thirteen".
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