Base | Representation |
---|---|
bin | 111110101011100… |
… | …1001100000000111 |
3 | 12102120120122202121 |
4 | 1331113021200013 |
5 | 13301411021411 |
6 | 544411150411 |
7 | 103056035260 |
oct | 17527114007 |
9 | 5376518677 |
10 | 2103220231 |
11 | 98a238542 |
12 | 4a8445407 |
13 | 276977818 |
14 | 15d487967 |
15 | c49a1571 |
hex | 7d5c9807 |
2103220231 has 8 divisors (see below), whose sum is σ = 2410570400. Its totient is φ = 1797592608.
The previous prime is 2103220201. The next prime is 2103220279. The reversal of 2103220231 is 1320223012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2103220231 - 27 = 2103220103 is a prime.
It is a super-2 number, since 2×21032202312 = 8847070680175386722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2103220201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428016 + ... + 432901.
It is an arithmetic number, because the mean of its divisors is an integer number (301321300).
Almost surely, 22103220231 is an apocalyptic number.
2103220231 is a deficient number, since it is larger than the sum of its proper divisors (307350169).
2103220231 is an equidigital number, since it uses as much as digits as its factorization.
2103220231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861273.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2103220231 is about 45860.8790910074. The cubic root of 2103220231 is about 1281.2333958871.
Adding to 2103220231 its reverse (1320223012), we get a palindrome (3423443243).
The spelling of 2103220231 in words is "two billion, one hundred three million, two hundred twenty thousand, two hundred thirty-one".
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