Base | Representation |
---|---|
bin | 111111011000101… |
… | …1010010011010101 |
3 | 12111020002210121121 |
4 | 1332301122103111 |
5 | 13323440211010 |
6 | 551014243541 |
7 | 103464125113 |
oct | 17661322325 |
9 | 5436083547 |
10 | 2126882005 |
11 | 9a1629a26 |
12 | 4b43565b1 |
13 | 27b840881 |
14 | 162686ab3 |
15 | c6ac73da |
hex | 7ec5a4d5 |
2126882005 has 4 divisors (see below), whose sum is σ = 2552258412. Its totient is φ = 1701505600.
The previous prime is 2126881993. The next prime is 2126882033. The reversal of 2126882005 is 5002886212.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 244797316 + 1882084689 = 15646^2 + 43383^2 .
It is not a de Polignac number, because 2126882005 - 211 = 2126879957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212688196 + ... + 212688205.
It is an arithmetic number, because the mean of its divisors is an integer number (638064603).
Almost surely, 22126882005 is an apocalyptic number.
It is an amenable number.
2126882005 is a deficient number, since it is larger than the sum of its proper divisors (425376407).
2126882005 is an equidigital number, since it uses as much as digits as its factorization.
2126882005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425376406.
The product of its (nonzero) digits is 15360, while the sum is 34.
The square root of 2126882005 is about 46118.1309790412. The cubic root of 2126882005 is about 1286.0202256751.
The spelling of 2126882005 in words is "two billion, one hundred twenty-six million, eight hundred eighty-two thousand, five".
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