Base | Representation |
---|---|
bin | 111100111011001… |
… | …000001111101111 |
3 | 2122020022202012100 |
4 | 330323020033233 |
5 | 4043131230411 |
6 | 245231510143 |
7 | 34220663160 |
oct | 7473101757 |
9 | 2566282170 |
10 | 1022133231 |
11 | 484a70909 |
12 | 246388353 |
13 | 1339b9582 |
14 | 99a6d767 |
15 | 5eb04456 |
hex | 3cec83ef |
1022133231 has 24 divisors (see below), whose sum is σ = 1704047904. Its totient is φ = 578289600.
The previous prime is 1022133223. The next prime is 1022133241. The reversal of 1022133231 is 1323312201.
It is not a de Polignac number, because 1022133231 - 23 = 1022133223 is a prime.
It is a super-2 number, since 2×10221332312 = 2089512683828998722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1022133241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73956 + ... + 86681.
It is an arithmetic number, because the mean of its divisors is an integer number (71001996).
Almost surely, 21022133231 is an apocalyptic number.
1022133231 is a deficient number, since it is larger than the sum of its proper divisors (681914673).
1022133231 is a wasteful number, since it uses less digits than its factorization.
1022133231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160751 (or 160748 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1022133231 is about 31970.8184286859. The cubic root of 1022133231 is about 1007.3239721447.
Adding to 1022133231 its reverse (1323312201), we get a palindrome (2345445432).
The spelling of 1022133231 in words is "one billion, twenty-two million, one hundred thirty-three thousand, two hundred thirty-one".
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