Base | Representation |
---|---|
bin | 111111100000110… |
… | …0000001000111011 |
3 | 12111112001002220202 |
4 | 1333001200020323 |
5 | 13331030201334 |
6 | 551244512415 |
7 | 103545024113 |
oct | 17701401073 |
9 | 5445032822 |
10 | 2131100219 |
11 | 9a3a50156 |
12 | 4b584b70b |
13 | 27c689861 |
14 | 163064043 |
15 | c715c17e |
hex | 7f06023b |
2131100219 has 8 divisors (see below), whose sum is σ = 2137589760. Its totient is φ = 2124620136.
The previous prime is 2131100203. The next prime is 2131100243. The reversal of 2131100219 is 9120011312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2131100219 - 24 = 2131100203 is a prime.
It is a super-2 number, since 2×21311002192 = 9083176286843695922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2131100219.
It is not an unprimeable number, because it can be changed into a prime (2131100269) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893102 + ... + 895484.
It is an arithmetic number, because the mean of its divisors is an integer number (267198720).
Almost surely, 22131100219 is an apocalyptic number.
2131100219 is a deficient number, since it is larger than the sum of its proper divisors (6489541).
2131100219 is a wasteful number, since it uses less digits than its factorization.
2131100219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4729.
The product of its (nonzero) digits is 108, while the sum is 20.
The square root of 2131100219 is about 46163.8410338655. The cubic root of 2131100219 is about 1286.8698459495.
The spelling of 2131100219 in words is "two billion, one hundred thirty-one million, one hundred thousand, two hundred nineteen".
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