Base | Representation |
---|---|
bin | 10001110010001101… |
… | …011001000110011010 |
3 | 1211021211110102100202 |
4 | 101302031121012122 |
5 | 303102032414430 |
6 | 12434513102202 |
7 | 1244134113224 |
oct | 216215310632 |
9 | 54254412322 |
10 | 19095982490 |
11 | 810a203312 |
12 | 384b257962 |
13 | 1a54305730 |
14 | cd2201414 |
15 | 76b6e8d45 |
hex | 47235919a |
19095982490 has 64 divisors (see below), whose sum is σ = 39084474240. Its totient is φ = 6659262720.
The previous prime is 19095982487. The next prime is 19095982519. The reversal of 19095982490 is 9428959091.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 805892 + ... + 829248.
It is an arithmetic number, because the mean of its divisors is an integer number (610694910).
Almost surely, 219095982490 is an apocalyptic number.
19095982490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19095982490 is an abundant number, since it is smaller than the sum of its proper divisors (19988491750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19095982490 is a wasteful number, since it uses less digits than its factorization.
19095982490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23727.
The product of its (nonzero) digits is 2099520, while the sum is 56.
The spelling of 19095982490 in words is "nineteen billion, ninety-five million, nine hundred eighty-two thousand, four hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •