Base | Representation |
---|---|
bin | 10101100111100011… |
… | …100011011101100111 |
3 | 2012220200212110000100 |
4 | 111213203203131213 |
5 | 340014311210043 |
6 | 14355154115143 |
7 | 1451135346462 |
oct | 254743433547 |
9 | 65820773010 |
10 | 23212210023 |
11 | 9931761a52 |
12 | 45b987bab3 |
13 | 225c02cc22 |
14 | 11a2b6c2d9 |
15 | 90cc7bcd3 |
hex | 5678e3767 |
23212210023 has 48 divisors (see below), whose sum is σ = 36694135296. Its totient is φ = 14082535680.
The previous prime is 23212210009. The next prime is 23212210037. The reversal of 23212210023 is 32001221232.
It is an interprime number because it is at equal distance from previous prime (23212210009) and next prime (23212210037).
It is a de Polignac number, because none of the positive numbers 2k-23212210023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23212209978 and 23212210005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23212210093) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 577408 + ... + 616298.
It is an arithmetic number, because the mean of its divisors is an integer number (764461152).
Almost surely, 223212210023 is an apocalyptic number.
23212210023 is a deficient number, since it is larger than the sum of its proper divisors (13481925273).
23212210023 is a wasteful number, since it uses less digits than its factorization.
23212210023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39044 (or 39041 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 23212210023 its reverse (32001221232), we get a palindrome (55213431255).
The spelling of 23212210023 in words is "twenty-three billion, two hundred twelve million, two hundred ten thousand, twenty-three".
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