Base | Representation |
---|---|
bin | 1000010001100011… |
… | …1101000010011110 |
3 | 12201210110022000120 |
4 | 2010120331002132 |
5 | 14022102241412 |
6 | 1004222335410 |
7 | 106020220164 |
oct | 20430750236 |
9 | 5653408016 |
10 | 2221133982 |
11 | a3a854921 |
12 | 51ba2a566 |
13 | 295220c82 |
14 | 170dbd234 |
15 | ceee3b8c |
hex | 8463d09e |
2221133982 has 8 divisors (see below), whose sum is σ = 4442267976. Its totient is φ = 740377992.
The previous prime is 2221133977. The next prime is 2221133987. The reversal of 2221133982 is 2893311222.
It is an interprime number because it is at equal distance from previous prime (2221133977) and next prime (2221133987).
It is a sphenic number, since it is the product of 3 distinct primes.
2221133982 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221133987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185094493 + ... + 185094504.
It is an arithmetic number, because the mean of its divisors is an integer number (555283497).
Almost surely, 22221133982 is an apocalyptic number.
2221133982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221133982 is a wasteful number, since it uses less digits than its factorization.
2221133982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370189002.
The product of its digits is 10368, while the sum is 33.
The square root of 2221133982 is about 47128.9081350290. The cubic root of 2221133982 is about 1304.7428297867.
The spelling of 2221133982 in words is "two billion, two hundred twenty-one million, one hundred thirty-three thousand, nine hundred eighty-two".
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