Base | Representation |
---|---|
bin | 10101100111011011… |
… | …111001001110011101 |
3 | 2012220120002102112121 |
4 | 111213123321032131 |
5 | 340013302431023 |
6 | 14355043102541 |
7 | 1451112314305 |
oct | 254733711635 |
9 | 65816072477 |
10 | 23210202013 |
11 | 9930610339 |
12 | 45b9071a51 |
13 | 225b7a8c5b |
14 | 11a27a8605 |
15 | 90c9d1d5d |
hex | 5676f939d |
23210202013 has 4 divisors (see below), whose sum is σ = 23221654560. Its totient is φ = 23198749468.
The previous prime is 23210201953. The next prime is 23210202047. The reversal of 23210202013 is 31020201232.
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 a cyclic number.
It is not a de Polignac number, because 23210202013 - 217 = 23210070941 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 (23210203013) 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, 5723233 + ... + 5727286.
It is an arithmetic number, because the mean of its divisors is an integer number (5805413640).
Almost surely, 223210202013 is an apocalyptic number.
It is an amenable number.
23210202013 is a deficient number, since it is larger than the sum of its proper divisors (11452547).
23210202013 is a wasteful number, since it uses less digits than its factorization.
23210202013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11452546.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 23210202013 its reverse (31020201232), we get a palindrome (54230403245).
The spelling of 23210202013 in words is "twenty-three billion, two hundred ten million, two hundred two thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •