Base | Representation |
---|---|
bin | 10001101110000110… |
… | …111001010110000000 |
3 | 1211010000222102022111 |
4 | 101232012321112000 |
5 | 302431423430223 |
6 | 12424014145104 |
7 | 1242340165561 |
oct | 215606712600 |
9 | 54100872274 |
10 | 19027170688 |
11 | 8084383a59 |
12 | 38301b2194 |
13 | 1a42c919a6 |
14 | cc700c168 |
15 | 76565530d |
hex | 46e1b9580 |
19027170688 has 32 divisors (see below), whose sum is σ = 37912176000. Its totient is φ = 9511958016.
The previous prime is 19027170671. The next prime is 19027170769. The reversal of 19027170688 is 88607172091.
It is a tau number, because it is divible by the number of its divisors (32).
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, 1157793 + ... + 1174111.
It is an arithmetic number, because the mean of its divisors is an integer number (1184755500).
Almost surely, 219027170688 is an apocalyptic number.
It is an amenable number.
19027170688 is a deficient number, since it is larger than the sum of its proper divisors (18885005312).
19027170688 is an equidigital number, since it uses as much as digits as its factorization.
19027170688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25442 (or 25430 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 49.
The spelling of 19027170688 in words is "nineteen billion, twenty-seven million, one hundred seventy thousand, six hundred eighty-eight".
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