Base | Representation |
---|---|
bin | 10100110001010011… |
… | …011111101001011111 |
3 | 2010120021012112100002 |
4 | 110301103133221133 |
5 | 331133304433211 |
6 | 14125001524515 |
7 | 1416444062612 |
oct | 246123375137 |
9 | 63507175302 |
10 | 22302030431 |
11 | 9504a0760a |
12 | 43a4aa373b |
13 | 21455b1015 |
14 | 1117d22179 |
15 | 8a7dde03b |
hex | 5314dfa5f |
22302030431 has 32 divisors (see below), whose sum is σ = 25155422208. Its totient is φ = 19659594240.
The previous prime is 22302030427. The next prime is 22302030469. The reversal of 22302030431 is 13403020322.
It is not a de Polignac number, because 22302030431 - 22 = 22302030427 is a prime.
It is a super-2 number, since 2×223020304312 (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 (22302030481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16805690 + ... + 16807016.
It is an arithmetic number, because the mean of its divisors is an integer number (786106944).
Almost surely, 222302030431 is an apocalyptic number.
22302030431 is a deficient number, since it is larger than the sum of its proper divisors (2853391777).
22302030431 is a wasteful number, since it uses less digits than its factorization.
22302030431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2231.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 22302030431 its reverse (13403020322), we get a palindrome (35705050753).
The spelling of 22302030431 in words is "twenty-two billion, three hundred two million, thirty thousand, four hundred thirty-one".
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