Base | Representation |
---|---|
bin | 10100100101010101… |
… | …110011111101001110 |
3 | 2010001021111221110120 |
4 | 110211111303331032 |
5 | 330230413430220 |
6 | 14053031445410 |
7 | 1411456021641 |
oct | 244525637516 |
9 | 63037457416 |
10 | 22101311310 |
11 | 9411683341 |
12 | 4349826866 |
13 | 2112b34600 |
14 | 10d93d3a58 |
15 | 895491a40 |
hex | 525573f4e |
22101311310 has 48 divisors (see below), whose sum is σ = 57437267184. Its totient is φ = 5440321536.
The previous prime is 22101311279. The next prime is 22101311357. The reversal of 22101311310 is 1311310122.
It is a happy number.
It is a super-2 number, since 2×221013113102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 22101311310.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2174547 + ... + 2184686.
It is an arithmetic number, because the mean of its divisors is an integer number (1196609733).
Almost surely, 222101311310 is an apocalyptic number.
22101311310 is an abundant number, since it is smaller than the sum of its proper divisors (35335955874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22101311310 is a wasteful number, since it uses less digits than its factorization.
22101311310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4359269 (or 4359256 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 22101311310 its reverse (1311310122), we get a palindrome (23412621432).
The spelling of 22101311310 in words is "twenty-two billion, one hundred one million, three hundred eleven thousand, three hundred ten".
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