Base | Representation |
---|---|
bin | 1010010001000010… |
… | …1010011000000001 |
3 | 21010001120201211211 |
4 | 2210100222120001 |
5 | 21120443100142 |
6 | 1133243010121 |
7 | 125202115402 |
oct | 24420523001 |
9 | 7101521754 |
10 | 2755831297 |
11 | 119465a92a |
12 | 64ab09941 |
13 | 34bc3410b |
14 | 1c20079a9 |
15 | 111e12917 |
hex | a442a601 |
2755831297 has 4 divisors (see below), whose sum is σ = 2762408880. Its totient is φ = 2749253716.
The previous prime is 2755831289. The next prime is 2755831357. The reversal of 2755831297 is 7921385572.
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 not a de Polignac number, because 2755831297 - 23 = 2755831289 is a prime.
It is a super-2 number, since 2×27558312972 = 15189212275049404418, which contains 22 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2755831297.
It is not an unprimeable number, because it can be changed into a prime (2755831237) 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, 3288163 + ... + 3289000.
It is an arithmetic number, because the mean of its divisors is an integer number (690602220).
Almost surely, 22755831297 is an apocalyptic number.
It is an amenable number.
2755831297 is a deficient number, since it is larger than the sum of its proper divisors (6577583).
2755831297 is an equidigital number, since it uses as much as digits as its factorization.
2755831297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6577582.
The product of its digits is 1058400, while the sum is 49.
The square root of 2755831297 is about 52496.0122009282. The cubic root of 2755831297 is about 1402.0092403558.
The spelling of 2755831297 in words is "two billion, seven hundred fifty-five million, eight hundred thirty-one thousand, two hundred ninety-seven".
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