Base | Representation |
---|---|
bin | 10100011111111001… |
… | …100111000001100111 |
3 | 2002210220202111002221 |
4 | 110133321213001213 |
5 | 330034032012411 |
6 | 14040011213211 |
7 | 1406300121115 |
oct | 243771470147 |
9 | 62726674087 |
10 | 22010032231 |
11 | 93750a8a90 |
12 | 4323147207 |
13 | 20c9c55415 |
14 | 10cb232ab5 |
15 | 88c461071 |
hex | 51fe67067 |
22010032231 has 16 divisors (see below), whose sum is σ = 25751571840. Its totient is φ = 18598338720.
The previous prime is 22010032207. The next prime is 22010032283. The reversal of 22010032231 is 13223001022.
It is a cyclic number.
It is not a de Polignac number, because 22010032231 - 225 = 21976477799 is a prime.
It is a super-2 number, since 2×220100322312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22010038231) 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, 982425 + ... + 1004578.
It is an arithmetic number, because the mean of its divisors is an integer number (1609473240).
Almost surely, 222010032231 is an apocalyptic number.
22010032231 is a deficient number, since it is larger than the sum of its proper divisors (3741539609).
22010032231 is a wasteful number, since it uses less digits than its factorization.
22010032231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1987086.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 22010032231 its reverse (13223001022), we get a palindrome (35233033253).
The spelling of 22010032231 in words is "twenty-two billion, ten million, thirty-two thousand, two hundred thirty-one".
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