Base | Representation |
---|---|
bin | 10101101101100000… |
… | …010101101000000101 |
3 | 2020011122200211120102 |
4 | 111231200111220011 |
5 | 340220334431323 |
6 | 14413121413445 |
7 | 1453456662443 |
oct | 255540255005 |
9 | 66148624512 |
10 | 23312030213 |
11 | 998304037a |
12 | 462719a285 |
13 | 227690c924 |
14 | 11b2113b93 |
15 | 9168e8328 |
hex | 56d815a05 |
23312030213 has 4 divisors (see below), whose sum is σ = 24325596768. Its totient is φ = 22298463660.
The previous prime is 23312030201. The next prime is 23312030237. The reversal of 23312030213 is 31203021332.
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 23312030213 - 216 = 23311964677 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 (23312030293) 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, 506783243 + ... + 506783288.
It is an arithmetic number, because the mean of its divisors is an integer number (6081399192).
Almost surely, 223312030213 is an apocalyptic number.
23312030213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
23312030213 is a deficient number, since it is larger than the sum of its proper divisors (1013566555).
23312030213 is a wasteful number, since it uses less digits than its factorization.
23312030213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1013566554.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 23312030213 its reverse (31203021332), we get a palindrome (54515051545).
The spelling of 23312030213 in words is "twenty-three billion, three hundred twelve million, thirty thousand, two hundred thirteen".
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