Base | Representation |
---|---|
bin | 10101110111111110… |
… | …011010000110110101 |
3 | 2020121220020000200221 |
4 | 111313332122012311 |
5 | 341100321410140 |
6 | 14442354334341 |
7 | 1461022012606 |
oct | 256776320665 |
9 | 66556200627 |
10 | 23487685045 |
11 | 9a63205460 |
12 | 4675b8a3b1 |
13 | 22a4121ab6 |
14 | 11cb599dad |
15 | 92704414a |
hex | 577f9a1b5 |
23487685045 has 16 divisors (see below), whose sum is σ = 30829974912. Its totient is φ = 17036141760.
The previous prime is 23487684949. The next prime is 23487685049. The reversal of 23487685045 is 54058678432.
It is a de Polignac number, because none of the positive numbers 2k-23487685045 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23487684983 and 23487685001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23487685049) 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, 551937 + ... + 592966.
It is an arithmetic number, because the mean of its divisors is an integer number (1926873432).
Almost surely, 223487685045 is an apocalyptic number.
It is an amenable number.
23487685045 is a deficient number, since it is larger than the sum of its proper divisors (7342289867).
23487685045 is a wasteful number, since it uses less digits than its factorization.
23487685045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1145292.
The product of its (nonzero) digits is 6451200, while the sum is 52.
The spelling of 23487685045 in words is "twenty-three billion, four hundred eighty-seven million, six hundred eighty-five thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.105 sec. • engine limits •