Base | Representation |
---|---|
bin | 11110111101011111… |
… | …111101001111110111 |
3 | 10011210211112022201101 |
4 | 132331133331033313 |
5 | 1021040433322411 |
6 | 23134435110531 |
7 | 2254550460631 |
oct | 367537751767 |
9 | 104724468641 |
10 | 33244042231 |
11 | 1310a438a74 |
12 | 6539442447 |
13 | 319a4b430a |
14 | 1875219a51 |
15 | ce88268c1 |
hex | 7bd7fd3f7 |
33244042231 has 2 divisors, whose sum is σ = 33244042232. Its totient is φ = 33244042230.
The previous prime is 33244042193. The next prime is 33244042267. The reversal of 33244042231 is 13224044233.
It is a strong prime.
It is an emirp because it is prime and its reverse (13224044233) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 33244042231 - 27 = 33244042103 is a prime.
It is a super-3 number, since 3×332440422313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 33244042231.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (33244042331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16622021115 + 16622021116.
It is an arithmetic number, because the mean of its divisors is an integer number (16622021116).
Almost surely, 233244042231 is an apocalyptic number.
33244042231 is a deficient number, since it is larger than the sum of its proper divisors (1).
33244042231 is an equidigital number, since it uses as much as digits as its factorization.
33244042231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 33244042231 its reverse (13224044233), we get a palindrome (46468086464).
The spelling of 33244042231 in words is "thirty-three billion, two hundred forty-four million, forty-two thousand, two hundred thirty-one".
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