Base | Representation |
---|---|
bin | 10100101101000100… |
… | …100010010001111111 |
3 | 2010101022112211011110 |
4 | 110231010202101333 |
5 | 331012114001231 |
6 | 14113543253103 |
7 | 1414622245431 |
oct | 245504422177 |
9 | 63338484143 |
10 | 22231000191 |
11 | 9478902534 |
12 | 438514a193 |
13 | 21339715aa |
14 | 110c712651 |
15 | 8a1a5d046 |
hex | 52d12247f |
22231000191 has 32 divisors (see below), whose sum is σ = 31244901120. Its totient is φ = 14044859136.
The previous prime is 22231000189. The next prime is 22231000219. The reversal of 22231000191 is 19100013222.
It is not a de Polignac number, because 22231000191 - 21 = 22231000189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22231000111) 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 31 ways as a sum of consecutive naturals, for example, 645100 + ... + 678686.
It is an arithmetic number, because the mean of its divisors is an integer number (976403160).
Almost surely, 222231000191 is an apocalyptic number.
22231000191 is a deficient number, since it is larger than the sum of its proper divisors (9013900929).
22231000191 is a wasteful number, since it uses less digits than its factorization.
22231000191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33783.
The product of its (nonzero) digits is 216, while the sum is 21.
The spelling of 22231000191 in words is "twenty-two billion, two hundred thirty-one million, one hundred ninety-one", and thus it is an aban number.
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