Base | Representation |
---|---|
bin | 10101011100111011… |
… | …110100010101011101 |
3 | 2012110021120111220210 |
4 | 111130323310111131 |
5 | 334133202134323 |
6 | 14325351003033 |
7 | 1443542643540 |
oct | 253473642535 |
9 | 65407514823 |
10 | 23034021213 |
11 | 9850117075 |
12 | 456a069479 |
13 | 2231141568 |
14 | 1187226857 |
15 | 8ec2d0293 |
hex | 55cef455d |
23034021213 has 16 divisors (see below), whose sum is σ = 35367399936. Its totient is φ = 13061820720.
The previous prime is 23034021167. The next prime is 23034021229. The reversal of 23034021213 is 31212043032.
It is not a de Polignac number, because 23034021213 - 26 = 23034021149 is a prime.
It is a super-2 number, since 2×230340212132 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 23034021213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23034021713) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4183731 + ... + 4189232.
It is an arithmetic number, because the mean of its divisors is an integer number (2210462496).
Almost surely, 223034021213 is an apocalyptic number.
It is an amenable number.
23034021213 is a deficient number, since it is larger than the sum of its proper divisors (12333378723).
23034021213 is a wasteful number, since it uses less digits than its factorization.
23034021213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8373104.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 23034021213 its reverse (31212043032), we get a palindrome (54246064245).
The spelling of 23034021213 in words is "twenty-three billion, thirty-four million, twenty-one thousand, two hundred thirteen".
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