Base | Representation |
---|---|
bin | 1000001001101010… |
… | …0011111001001010 |
3 | 12122111002221220020 |
4 | 2002122203321022 |
5 | 13440112011332 |
6 | 1001040241310 |
7 | 105135462126 |
oct | 20232437112 |
9 | 5574087806 |
10 | 2188000842 |
11 | a23084465 |
12 | 510910236 |
13 | 28b3bcb71 |
14 | 16a836586 |
15 | cc14b82c |
hex | 826a3e4a |
2188000842 has 32 divisors (see below), whose sum is σ = 4429225152. Its totient is φ = 720501504.
The previous prime is 2188000819. The next prime is 2188000847. The reversal of 2188000842 is 2480008812.
It is not an unprimeable number, because it can be changed into a prime (2188000847) 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, 234898 + ... + 244034.
It is an arithmetic number, because the mean of its divisors is an integer number (138413286).
Almost surely, 22188000842 is an apocalyptic number.
2188000842 is an abundant number, since it is smaller than the sum of its proper divisors (2241224310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2188000842 is a wasteful number, since it uses less digits than its factorization.
2188000842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9622.
The product of its (nonzero) digits is 8192, while the sum is 33.
The square root of 2188000842 is about 46776.0712544352. The cubic root of 2188000842 is about 1298.2225891077. Note that the first 3 decimals are identical.
The spelling of 2188000842 in words is "two billion, one hundred eighty-eight million, eight hundred forty-two", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •