Base | Representation |
---|---|
bin | 11110101111001010001… |
… | …100111001010001101110 |
3 | 21110221000100001120221110 |
4 | 132233022030321101232 |
5 | 234101312124222202 |
6 | 4254201401212450 |
7 | 305413545663012 |
oct | 36571214712156 |
9 | 7427010046843 |
10 | 2112221320302 |
11 | 7448739627a5 |
12 | 2a1442791126 |
13 | 124249018c92 |
14 | 74336aa0542 |
15 | 39e2510426c |
hex | 1ebca33946e |
2112221320302 has 32 divisors (see below), whose sum is σ = 4280560473600. Its totient is φ = 694731817728.
The previous prime is 2112221320301. The next prime is 2112221320309. The reversal of 2112221320302 is 2030231222112.
It is a super-2 number, since 2×21122213203022 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112221320301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608803 + ... + 2143614.
It is an arithmetic number, because the mean of its divisors is an integer number (133767514800).
Almost surely, 22112221320302 is an apocalyptic number.
2112221320302 is an abundant number, since it is smaller than the sum of its proper divisors (2168339153298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112221320302 is a wasteful number, since it uses less digits than its factorization.
2112221320302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2754120.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 2112221320302 its reverse (2030231222112), we get a palindrome (4142452542414).
The spelling of 2112221320302 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, three hundred twenty thousand, three hundred two".
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