Base | Representation |
---|---|
bin | 10001111110110011… |
… | …000000011101001000 |
3 | 1211211112211211121212 |
4 | 101332303000131020 |
5 | 304020113411413 |
6 | 12511455352252 |
7 | 1252310143136 |
oct | 217663003510 |
9 | 54745754555 |
10 | 19307169608 |
11 | 8208437321 |
12 | 38a9b22688 |
13 | 1a88ca8a1c |
14 | d12296756 |
15 | 780012ca8 |
hex | 47ecc0748 |
19307169608 has 16 divisors (see below), whose sum is σ = 36659184000. Its totient is φ = 9531387216.
The previous prime is 19307169571. The next prime is 19307169619. The reversal of 19307169608 is 80696170391.
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, 15274028 + ... + 15275291.
It is an arithmetic number, because the mean of its divisors is an integer number (2291199000).
Almost surely, 219307169608 is an apocalyptic number.
It is an amenable number.
19307169608 is a deficient number, since it is larger than the sum of its proper divisors (17352014392).
19307169608 is a wasteful number, since it uses less digits than its factorization.
19307169608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30549404 (or 30549400 counting only the distinct ones).
The product of its (nonzero) digits is 489888, while the sum is 50.
The spelling of 19307169608 in words is "nineteen billion, three hundred seven million, one hundred sixty-nine thousand, six hundred eight".
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