Base | Representation |
---|---|
bin | 10010011000000100… |
… | …000101001111111001 |
3 | 1212221002111111222220 |
4 | 102120010011033321 |
5 | 310402123413324 |
6 | 13021521234253 |
7 | 1265645244114 |
oct | 223004051771 |
9 | 55832444886 |
10 | 19731076089 |
11 | 840575055a |
12 | 39a7a92989 |
13 | 1b25a6a86a |
14 | d526c157b |
15 | 7a7349b79 |
hex | 4981053f9 |
19731076089 has 16 divisors (see below), whose sum is σ = 26669706624. Its totient is φ = 12974240000.
The previous prime is 19731076073. The next prime is 19731076093. The reversal of 19731076089 is 98067013791.
It is a cyclic number.
It is not a de Polignac number, because 19731076089 - 24 = 19731076073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (19731076069) 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, 44112 + ... + 203489.
It is an arithmetic number, because the mean of its divisors is an integer number (1666856664).
Almost surely, 219731076089 is an apocalyptic number.
It is an amenable number.
19731076089 is a deficient number, since it is larger than the sum of its proper divisors (6938630535).
19731076089 is a wasteful number, since it uses less digits than its factorization.
19731076089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247968.
The product of its (nonzero) digits is 571536, while the sum is 51.
The spelling of 19731076089 in words is "nineteen billion, seven hundred thirty-one million, seventy-six thousand, eighty-nine".
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