Base | Representation |
---|---|
bin | 111110101001101… |
… | …0101110010111100 |
3 | 12102111200221110112 |
4 | 1331103111302330 |
5 | 13301132101022 |
6 | 544333525152 |
7 | 103044410102 |
oct | 17523256274 |
9 | 5374627415 |
10 | 2102222012 |
11 | 989716570 |
12 | 4a80437b8 |
13 | 2766b8367 |
14 | 15d2a7c72 |
15 | c48558e2 |
hex | 7d4d5cbc |
2102222012 has 48 divisors (see below), whose sum is σ = 4124736000. Its totient is φ = 929228160.
The previous prime is 2102221991. The next prime is 2102222021.
2102222012 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 449864 + ... + 454512.
It is an arithmetic number, because the mean of its divisors is an integer number (85932000).
Almost surely, 22102222012 is an apocalyptic number.
2102222012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2102222012 is a deficient number, since it is larger than the sum of its proper divisors (2022513988).
2102222012 is a wasteful number, since it uses less digits than its factorization.
2102222012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4946 (or 4944 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 2102222012 is about 45849.9946782985. The cubic root of 2102222012 is about 1281.0306664582.
It can be divided in two parts, 21022 and 22012, that added together give a palindrome (43034).
The spelling of 2102222012 in words is "two billion, one hundred two million, two hundred twenty-two thousand, twelve".
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