Base | Representation |
---|---|
bin | 10100100101100010… |
… | …000101110111010011 |
3 | 2010001111120111012122 |
4 | 110211202011313103 |
5 | 330232224433022 |
6 | 14053224444455 |
7 | 1411525260002 |
oct | 244542056723 |
9 | 63044514178 |
10 | 22104530387 |
11 | 9413481935 |
12 | 434a91972b |
13 | 21136c08a4 |
14 | 10d99d0c39 |
15 | 8958ca742 |
hex | 525885dd3 |
22104530387 has 4 divisors (see below), whose sum is σ = 22104856920. Its totient is φ = 22104203856.
The previous prime is 22104530341. The next prime is 22104530389. The reversal of 22104530387 is 78303540122.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 22104530387 - 28 = 22104530131 is a prime.
It is a super-2 number, since 2×221045303872 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22104530389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19562 + ... + 211167.
It is an arithmetic number, because the mean of its divisors is an integer number (5526214230).
Almost surely, 222104530387 is an apocalyptic number.
22104530387 is a deficient number, since it is larger than the sum of its proper divisors (326533).
22104530387 is an equidigital number, since it uses as much as digits as its factorization.
22104530387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326532.
The product of its (nonzero) digits is 40320, while the sum is 35.
The spelling of 22104530387 in words is "twenty-two billion, one hundred four million, five hundred thirty thousand, three hundred eighty-seven".
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