Base | Representation |
---|---|
bin | 1000010001110010… |
… | …1001010111110001 |
3 | 12201212021110220010 |
4 | 2010130221113301 |
5 | 14022324231001 |
6 | 1004255205133 |
7 | 106031361330 |
oct | 20434512761 |
9 | 5655243803 |
10 | 2222102001 |
11 | a40356139 |
12 | 5202167a9 |
13 | 29549c772 |
14 | 171191d17 |
15 | d01358d6 |
hex | 847295f1 |
2222102001 has 16 divisors (see below), whose sum is σ = 3391847424. Its totient is φ = 1267602384.
The previous prime is 2222101997. The next prime is 2222102021. The reversal of 2222102001 is 1002012222.
It is not a de Polignac number, because 2222102001 - 22 = 2222101997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2222102021) 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, 77805 + ... + 102458.
It is an arithmetic number, because the mean of its divisors is an integer number (211990464).
Almost surely, 22222102001 is an apocalyptic number.
2222102001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2222102001 is a deficient number, since it is larger than the sum of its proper divisors (1169745423).
2222102001 is a wasteful number, since it uses less digits than its factorization.
2222102001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180860.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 2222102001 is about 47139.1769232345. The cubic root of 2222102001 is about 1304.9323474566.
Adding to 2222102001 its reverse (1002012222), we get a palindrome (3224114223).
The spelling of 2222102001 in words is "two billion, two hundred twenty-two million, one hundred two thousand, one".
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