Base | Representation |
---|---|
bin | 10101101001001001… |
… | …100010011110000101 |
3 | 2012222120011201000112 |
4 | 111221021202132011 |
5 | 340043132212040 |
6 | 14401551122405 |
7 | 1451611525130 |
oct | 255111423605 |
9 | 65876151015 |
10 | 23238944645 |
11 | 9945862084 |
12 | 4606813405 |
13 | 2264730827 |
14 | 11a652b217 |
15 | 9102ad365 |
hex | 569262785 |
23238944645 has 16 divisors (see below), whose sum is σ = 32731920768. Its totient is φ = 15504592320.
The previous prime is 23238944633. The next prime is 23238944647. The reversal of 23238944645 is 54644983232.
It is a happy number.
It is not a de Polignac number, because 23238944645 - 28 = 23238944389 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23238944593 and 23238944602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23238944647) 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, 8971271 + ... + 8973860.
It is an arithmetic number, because the mean of its divisors is an integer number (2045745048).
Almost surely, 223238944645 is an apocalyptic number.
It is an amenable number.
23238944645 is a deficient number, since it is larger than the sum of its proper divisors (9492976123).
23238944645 is a wasteful number, since it uses less digits than its factorization.
23238944645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17945180.
The product of its digits is 4976640, while the sum is 50.
The spelling of 23238944645 in words is "twenty-three billion, two hundred thirty-eight million, nine hundred forty-four thousand, six hundred forty-five".
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