Base | Representation |
---|---|
bin | 10001100010011110… |
… | …111011110111111001 |
3 | 1210121110000010121200 |
4 | 101202132323313321 |
5 | 302032012132123 |
6 | 12352410124413 |
7 | 1234451412330 |
oct | 214236736771 |
9 | 53543003550 |
10 | 18832145913 |
11 | 7a94289a59 |
12 | 3796a20709 |
13 | 1a1175a109 |
14 | ca9162d17 |
15 | 753480143 |
hex | 4627bbdf9 |
18832145913 has 24 divisors (see below), whose sum is σ = 32916693888. Its totient is φ = 10128212352.
The previous prime is 18832145911. The next prime is 18832145923. The reversal of 18832145913 is 31954123881.
18832145913 is a `hidden beast` number, since 18 + 8 + 32 + 14 + 591 + 3 = 666.
It is not a de Polignac number, because 18832145913 - 21 = 18832145911 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18832145911) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8790781 + ... + 8792922.
It is an arithmetic number, because the mean of its divisors is an integer number (1371528912).
Almost surely, 218832145913 is an apocalyptic number.
It is an amenable number.
18832145913 is a deficient number, since it is larger than the sum of its proper divisors (14084547975).
18832145913 is a wasteful number, since it uses less digits than its factorization.
18832145913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17583733 (or 17583730 counting only the distinct ones).
The product of its digits is 207360, while the sum is 45.
The spelling of 18832145913 in words is "eighteen billion, eight hundred thirty-two million, one hundred forty-five thousand, nine hundred thirteen".
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