Base | Representation |
---|---|
bin | 10100101011010011… |
… | …010001111100110111 |
3 | 2010022020200110021221 |
4 | 110223103101330313 |
5 | 330432013423111 |
6 | 14111003051211 |
7 | 1414112013214 |
oct | 245323217467 |
9 | 63266613257 |
10 | 22201311031 |
11 | 9463074639 |
12 | 4377210b07 |
13 | 212a777c43 |
14 | 11087c4b0b |
15 | 89e146371 |
hex | 52b4d1f37 |
22201311031 has 16 divisors (see below), whose sum is σ = 22841844480. Its totient is φ = 21565722880.
The previous prime is 22201311029. The next prime is 22201311043. The reversal of 22201311031 is 13011310222.
It is a cyclic number.
It is not a de Polignac number, because 22201311031 - 21 = 22201311029 is a prime.
It is a super-2 number, since 2×222013110312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22201310996 and 22201311014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22201381031) 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, 13763181 + ... + 13764793.
It is an arithmetic number, because the mean of its divisors is an integer number (1427615280).
Almost surely, 222201311031 is an apocalyptic number.
22201311031 is a deficient number, since it is larger than the sum of its proper divisors (640533449).
22201311031 is a wasteful number, since it uses less digits than its factorization.
22201311031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2906.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 22201311031 its reverse (13011310222), we get a palindrome (35212621253).
The spelling of 22201311031 in words is "twenty-two billion, two hundred one million, three hundred eleven thousand, thirty-one".
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