Base | Representation |
---|---|
bin | 100001011101010… |
… | …1101111110000001 |
3 | 2220020112111122021 |
4 | 1002322231332001 |
5 | 4244402021042 |
6 | 303223041441 |
7 | 36551461321 |
oct | 10272557601 |
9 | 2806474567 |
10 | 1122688897 |
11 | 526801870 |
12 | 273ba0281 |
13 | 14b795c75 |
14 | a9167281 |
15 | 68868867 |
hex | 42eadf81 |
1122688897 has 4 divisors (see below), whose sum is σ = 1224751536. Its totient is φ = 1020626260.
The previous prime is 1122688883. The next prime is 1122688927. The reversal of 1122688897 is 7988862211.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1122688897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1122688807) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51031303 + ... + 51031324.
It is an arithmetic number, because the mean of its divisors is an integer number (306187884).
Almost surely, 21122688897 is an apocalyptic number.
It is an amenable number.
1122688897 is a deficient number, since it is larger than the sum of its proper divisors (102062639).
1122688897 is a wasteful number, since it uses less digits than its factorization.
1122688897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102062638.
The product of its digits is 774144, while the sum is 52.
The square root of 1122688897 is about 33506.5500611448. The cubic root of 1122688897 is about 1039.3292324714.
The spelling of 1122688897 in words is "one billion, one hundred twenty-two million, six hundred eighty-eight thousand, eight hundred ninety-seven".
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