Base | Representation |
---|---|
bin | 11101001000111011000… |
… | …11111001101000011011 |
3 | 10112201022222100001012211 |
4 | 32210131203321220123 |
5 | 112401001133032311 |
6 | 2043542230415551 |
7 | 132223150613530 |
oct | 16443543715033 |
9 | 3481288301184 |
10 | 1001223330331 |
11 | 3566865170a4 |
12 | 1420638015b7 |
13 | 7355186b243 |
14 | 36660acad87 |
15 | 1b09dd5e821 |
hex | e91d8f9a1b |
1001223330331 has 16 divisors (see below), whose sum is σ = 1145205630720. Its totient is φ = 857478952800.
The previous prime is 1001223330313. The next prime is 1001223330343. The reversal of 1001223330331 is 1330333221001.
It is a cyclic number.
It is not a de Polignac number, because 1001223330331 - 213 = 1001223322139 is a prime.
It is a super-2 number, since 2×10012233303312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1001223330431) 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, 45809556 + ... + 45831406.
It is an arithmetic number, because the mean of its divisors is an integer number (71575351920).
Almost surely, 21001223330331 is an apocalyptic number.
1001223330331 is a deficient number, since it is larger than the sum of its proper divisors (143982300389).
1001223330331 is a wasteful number, since it uses less digits than its factorization.
1001223330331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26994.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 1001223330331 its reverse (1330333221001), we get a palindrome (2331556551332).
The spelling of 1001223330331 in words is "one trillion, one billion, two hundred twenty-three million, three hundred thirty thousand, three hundred thirty-one".
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