Base | Representation |
---|---|
bin | 1010100000001000… |
… | …0000100110010111 |
3 | 21021110122001212020 |
4 | 2220002000212113 |
5 | 21233142132111 |
6 | 1143423024223 |
7 | 126600642420 |
oct | 25002004627 |
9 | 7243561766 |
10 | 2819099031 |
11 | 1217342911 |
12 | 66813b073 |
13 | 35c086548 |
14 | 1ca596647 |
15 | 11775d906 |
hex | a8080997 |
2819099031 has 16 divisors (see below), whose sum is σ = 4309772544. Its totient is φ = 1605662784.
The previous prime is 2819099021. The next prime is 2819099039. The reversal of 2819099031 is 1309909182.
It is not a de Polignac number, because 2819099031 - 29 = 2819098519 is a prime.
It is a super-2 number, since 2×28190990312 = 15894638693170277922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2819099039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212190 + ... + 225083.
It is an arithmetic number, because the mean of its divisors is an integer number (269360784).
Almost surely, 22819099031 is an apocalyptic number.
2819099031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2819099031 is a deficient number, since it is larger than the sum of its proper divisors (1490673513).
2819099031 is a wasteful number, since it uses less digits than its factorization.
2819099031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437590.
The product of its (nonzero) digits is 34992, while the sum is 42.
The square root of 2819099031 is about 53095.1883978200. The cubic root of 2819099031 is about 1412.6571678405.
The spelling of 2819099031 in words is "two billion, eight hundred nineteen million, ninety-nine thousand, thirty-one".
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