Base | Representation |
---|---|
bin | 10001001100111100… |
… | …010110110011110100 |
3 | 1202200020222210212221 |
4 | 101030330112303310 |
5 | 300312003302133 |
6 | 12252500252124 |
7 | 1222502603164 |
oct | 211474266364 |
9 | 52606883787 |
10 | 18470759668 |
11 | 7919298139 |
12 | 36b59a1044 |
13 | 19849183ba |
14 | c731705a4 |
15 | 731897a2d |
hex | 44cf16cf4 |
18470759668 has 12 divisors (see below), whose sum is σ = 32493065472. Its totient is φ = 9187026680.
The previous prime is 18470759639. The next prime is 18470759759. The reversal of 18470759668 is 86695707481.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12087430 + ... + 12088957.
It is an arithmetic number, because the mean of its divisors is an integer number (2707755456).
Almost surely, 218470759668 is an apocalyptic number.
It is an amenable number.
18470759668 is a deficient number, since it is larger than the sum of its proper divisors (14022305804).
18470759668 is a wasteful number, since it uses less digits than its factorization.
18470759668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24176582 (or 24176580 counting only the distinct ones).
The product of its (nonzero) digits is 20321280, while the sum is 61.
The spelling of 18470759668 in words is "eighteen billion, four hundred seventy million, seven hundred fifty-nine thousand, six hundred sixty-eight".
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