Base | Representation |
---|---|
bin | 100001000111010… |
… | …0110010111011110 |
3 | 2212102202220210100 |
4 | 1002032212113132 |
5 | 4233421422142 |
6 | 302131121530 |
7 | 36351251613 |
oct | 10216462736 |
9 | 2772686710 |
10 | 1111123422 |
11 | 520222522 |
12 | 2701432a6 |
13 | 1492769a6 |
14 | a77d650a |
15 | 67831b4c |
hex | 423a65de |
1111123422 has 48 divisors (see below), whose sum is σ = 2537072928. Its totient is φ = 350750400.
The previous prime is 1111123379. The next prime is 1111123441. The reversal of 1111123422 is 2243211111.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1111123395 and 1111123404.
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, 28528 + ... + 55100.
It is an arithmetic number, because the mean of its divisors is an integer number (52855686).
Almost surely, 21111123422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1111123422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268536464).
1111123422 is an abundant number, since it is smaller than the sum of its proper divisors (1425949506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111123422 is a wasteful number, since it uses less digits than its factorization.
1111123422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26705 (or 26702 counting only the distinct ones).
The product of its digits is 96, while the sum is 18.
The square root of 1111123422 is about 33333.5179961552. The cubic root of 1111123422 is about 1035.7479939166.
Adding to 1111123422 its reverse (2243211111), we get a palindrome (3354334533).
The spelling of 1111123422 in words is "one billion, one hundred eleven million, one hundred twenty-three thousand, four hundred twenty-two".
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