Base | Representation |
---|---|
bin | 10001110100000010000… |
… | …100111000000111100111 |
3 | 11100000121200001222112120 |
4 | 101310002010320013213 |
5 | 130023424212342411 |
6 | 2334202150121023 |
7 | 154303231451052 |
oct | 21640204700747 |
9 | 4300550058476 |
10 | 1224100512231 |
11 | 4321579106a3 |
12 | 1792a4950173 |
13 | 8b580676a2c |
14 | 43365249a99 |
15 | 21c95933106 |
hex | 11d021381e7 |
1224100512231 has 16 divisors (see below), whose sum is σ = 1747155062400. Its totient is φ = 760012447968.
The previous prime is 1224100512163. The next prime is 1224100512241. The reversal of 1224100512231 is 1322150014221.
It is a happy number.
It is not a de Polignac number, because 1224100512231 - 221 = 1224098415079 is a prime.
It is a super-2 number, since 2×12241005122312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1224100512241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181991956 + ... + 181998681.
It is an arithmetic number, because the mean of its divisors is an integer number (109197191400).
Almost surely, 21224100512231 is an apocalyptic number.
1224100512231 is a deficient number, since it is larger than the sum of its proper divisors (523054550169).
1224100512231 is a wasteful number, since it uses less digits than its factorization.
1224100512231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 363990718.
The product of its (nonzero) digits is 960, while the sum is 24.
Adding to 1224100512231 its reverse (1322150014221), we get a palindrome (2546250526452).
The spelling of 1224100512231 in words is "one trillion, two hundred twenty-four billion, one hundred million, five hundred twelve thousand, two hundred thirty-one".
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