Base | Representation |
---|---|
bin | 10010001001000110… |
… | …101111011010101001 |
3 | 1212021121021100220110 |
4 | 102021012233122221 |
5 | 304343402133412 |
6 | 12540554244533 |
7 | 1256510146530 |
oct | 221106573251 |
9 | 55247240813 |
10 | 19480114857 |
11 | 8297020685 |
12 | 3937a26749 |
13 | 1ab5a7c7a8 |
14 | d2b235317 |
15 | 7902c5d3c |
hex | 4891af6a9 |
19480114857 has 72 divisors (see below), whose sum is σ = 31795541184. Its totient is φ = 10390638528.
The previous prime is 19480114817. The next prime is 19480114879. The reversal of 19480114857 is 75841108491.
It is not a de Polignac number, because 19480114857 - 220 = 19479066281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (19480114817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52225323 + ... + 52225695.
Almost surely, 219480114857 is an apocalyptic number.
It is an amenable number.
19480114857 is a deficient number, since it is larger than the sum of its proper divisors (12315426327).
19480114857 is an equidigital number, since it uses as much as digits as its factorization.
19480114857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 587 (or 485 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 48.
The spelling of 19480114857 in words is "nineteen billion, four hundred eighty million, one hundred fourteen thousand, eight hundred fifty-seven".
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