Base | Representation |
---|---|
bin | 10101100111000010… |
… | …000011111101100101 |
3 | 2012220002100101102101 |
4 | 111213002003331211 |
5 | 340010034231440 |
6 | 14354242012101 |
7 | 1451000621452 |
oct | 254702037545 |
9 | 65802311371 |
10 | 23203430245 |
11 | 9927805636 |
12 | 45b6947031 |
13 | 225a2778a8 |
14 | 11a1924829 |
15 | 90c0e569a |
hex | 567083f65 |
23203430245 has 16 divisors (see below), whose sum is σ = 28037424240. Its totient is φ = 18434317824.
The previous prime is 23203430221. The next prime is 23203430273. The reversal of 23203430245 is 54203430232.
It can be written as a sum of positive squares in 8 ways, for example, as 3112635681 + 20090794564 = 55791^2 + 141742^2 .
It is a cyclic number.
It is not a de Polignac number, because 23203430245 - 25 = 23203430213 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393427 + ... + 448543.
It is an arithmetic number, because the mean of its divisors is an integer number (1752339015).
Almost surely, 223203430245 is an apocalyptic number.
It is an amenable number.
23203430245 is a deficient number, since it is larger than the sum of its proper divisors (4833993995).
23203430245 is a wasteful number, since it uses less digits than its factorization.
23203430245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55704.
The product of its (nonzero) digits is 17280, while the sum is 28.
Adding to 23203430245 its reverse (54203430232), we get a palindrome (77406860477).
The spelling of 23203430245 in words is "twenty-three billion, two hundred three million, four hundred thirty thousand, two hundred forty-five".
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