Base | Representation |
---|---|
bin | 10001111010110001… |
… | …111000010010000010 |
3 | 1211122212000100001102 |
4 | 101322301320102002 |
5 | 303400334440442 |
6 | 12501050534402 |
7 | 1250531206454 |
oct | 217261702202 |
9 | 54585010042 |
10 | 19239765122 |
11 | 8183389336 |
12 | 388b437402 |
13 | 1a78038706 |
14 | d0734c2d4 |
15 | 77914b232 |
hex | 47ac78482 |
19239765122 has 6 divisors (see below), whose sum is σ = 28859941929. Its totient is φ = 9619784480.
The previous prime is 19239765119. The next prime is 19239765137. The reversal of 19239765122 is 22156793291.
It can be written as a sum of positive squares in 2 ways, for example, as 13105899361 + 6133865761 = 114481^2 + 78319^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=98081.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 147122 + ... + 245202.
Almost surely, 219239765122 is an apocalyptic number.
19239765122 is a deficient number, since it is larger than the sum of its proper divisors (9620176807).
19239765122 is an frugal number, since it uses more digits than its factorization.
19239765122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196164 (or 98083 counting only the distinct ones).
The product of its digits is 408240, while the sum is 47.
The spelling of 19239765122 in words is "nineteen billion, two hundred thirty-nine million, seven hundred sixty-five thousand, one hundred twenty-two".
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