Base | Representation |
---|---|
bin | 1001111010111101… |
… | …1010111001010001 |
3 | 20212121100011012022 |
4 | 2132233122321101 |
5 | 20423241343212 |
6 | 1120134141225 |
7 | 122666043014 |
oct | 23657327121 |
9 | 6777304168 |
10 | 2663231057 |
11 | 1147362a03 |
12 | 623ab1815 |
13 | 3359b1786 |
14 | 1b39c137b |
15 | 108c20772 |
hex | 9ebdae51 |
2663231057 has 4 divisors (see below), whose sum is σ = 2663514420. Its totient is φ = 2662947696.
The previous prime is 2663231009. The next prime is 2663231059. The reversal of 2663231057 is 7501323662.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2555403601 + 107827456 = 50551^2 + 10384^2 .
It is a cyclic number.
It is not a de Polignac number, because 2663231057 - 216 = 2663165521 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2663231059) 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 3 ways as a sum of consecutive naturals, for example, 127082 + ... + 146547.
It is an arithmetic number, because the mean of its divisors is an integer number (665878605).
Almost surely, 22663231057 is an apocalyptic number.
It is an amenable number.
2663231057 is a deficient number, since it is larger than the sum of its proper divisors (283363).
2663231057 is an equidigital number, since it uses as much as digits as its factorization.
2663231057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283362.
The product of its (nonzero) digits is 45360, while the sum is 35.
The square root of 2663231057 is about 51606.5020806487. The cubic root of 2663231057 is about 1386.1267630930.
It can be divided in two parts, 266 and 3231057, that added together give a palindrome (3231323).
The spelling of 2663231057 in words is "two billion, six hundred sixty-three million, two hundred thirty-one thousand, fifty-seven".
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