Base | Representation |
---|---|
bin | 111110101001111… |
… | …0000111110010011 |
3 | 12102111220121011110 |
4 | 1331103300332103 |
5 | 13301144131311 |
6 | 544340144403 |
7 | 103045352460 |
oct | 17523607623 |
9 | 5374817143 |
10 | 2102333331 |
11 | 98979216a |
12 | 4a8098103 |
13 | 276726c27 |
14 | 15d2d6667 |
15 | c48788a6 |
hex | 7d4f0f93 |
2102333331 has 32 divisors (see below), whose sum is σ = 3346513920. Its totient is φ = 1147839264.
The previous prime is 2102333329. The next prime is 2102333333. The reversal of 2102333331 is 1333332012.
It is an interprime number because it is at equal distance from previous prime (2102333329) and next prime (2102333333).
It is not a de Polignac number, because 2102333331 - 21 = 2102333329 is a prime.
It is a super-2 number, since 2×21023333312 = 8839610869267111122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 2102333298 and 2102333307.
It is not an unprimeable number, because it can be changed into a prime (2102333333) 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 31 ways as a sum of consecutive naturals, for example, 588930 + ... + 592488.
It is an arithmetic number, because the mean of its divisors is an integer number (104578560).
Almost surely, 22102333331 is an apocalyptic number.
2102333331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2102333331 is a deficient number, since it is larger than the sum of its proper divisors (1244180589).
2102333331 is a wasteful number, since it uses less digits than its factorization.
2102333331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4815.
The product of its (nonzero) digits is 972, while the sum is 21.
The square root of 2102333331 is about 45851.2086100247. The cubic root of 2102333331 is about 1281.0532775391.
Adding to 2102333331 its reverse (1333332012), we get a palindrome (3435665343).
The spelling of 2102333331 in words is "two billion, one hundred two million, three hundred thirty-three thousand, three hundred thirty-one".
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