Base | Representation |
---|---|
bin | 10001110001000110… |
… | …001010010011100101 |
3 | 1211020112022202001210 |
4 | 101301012022103211 |
5 | 303032242402134 |
6 | 12433004542033 |
7 | 1243516312425 |
oct | 216106122345 |
9 | 54215282053 |
10 | 19077309669 |
11 | 80aa70a130 |
12 | 3844b51919 |
13 | 1a50498422 |
14 | ccd940485 |
15 | 769c5b2e9 |
hex | 47118a4e5 |
19077309669 has 16 divisors (see below), whose sum is σ = 27751463424. Its totient is φ = 11560902000.
The previous prime is 19077309653. The next prime is 19077309673. The reversal of 19077309669 is 96690377091.
It is not a de Polignac number, because 19077309669 - 24 = 19077309653 is a prime.
It is a super-2 number, since 2×190773096692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19077309619) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443112 + ... + 484254.
It is an arithmetic number, because the mean of its divisors is an integer number (1734466464).
Almost surely, 219077309669 is an apocalyptic number.
It is an amenable number.
19077309669 is a deficient number, since it is larger than the sum of its proper divisors (8674153755).
19077309669 is a wasteful number, since it uses less digits than its factorization.
19077309669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55208.
The product of its (nonzero) digits is 3857868, while the sum is 57.
The spelling of 19077309669 in words is "nineteen billion, seventy-seven million, three hundred nine thousand, six hundred sixty-nine".
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