Base | Representation |
---|---|
bin | 10101100111011011… |
… | …001010111000110101 |
3 | 2012220112201210011222 |
4 | 111213123022320311 |
5 | 340013230342323 |
6 | 14355035040125 |
7 | 1451110564043 |
oct | 254733127065 |
9 | 65815653158 |
10 | 23210012213 |
11 | 99304a0783 |
12 | 45b8ba0045 |
13 | 225b74074b |
14 | 11a2759393 |
15 | 90c9959c8 |
hex | 5676cae35 |
23210012213 has 4 divisors (see below), whose sum is σ = 23211646560. Its totient is φ = 23208377868.
The previous prime is 23210012207. The next prime is 23210012233. The reversal of 23210012213 is 31221001232.
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 23210012213 - 214 = 23209995829 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23210012191 and 23210012200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23210012233) 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, 795683 + ... + 824336.
It is an arithmetic number, because the mean of its divisors is an integer number (5802911640).
Almost surely, 223210012213 is an apocalyptic number.
It is an amenable number.
23210012213 is a deficient number, since it is larger than the sum of its proper divisors (1634347).
23210012213 is a wasteful number, since it uses less digits than its factorization.
23210012213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1634346.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 23210012213 its reverse (31221001232), we get a palindrome (54431013445).
The spelling of 23210012213 in words is "twenty-three billion, two hundred ten million, twelve thousand, two hundred thirteen".
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