Base | Representation |
---|---|
bin | 11110101110000001011… |
… | …110100101010001110101 |
3 | 21110210212022020002021021 |
4 | 132232001132211101311 |
5 | 234041312303021323 |
6 | 4253440334221141 |
7 | 305341402210624 |
oct | 36560136452165 |
9 | 7423768202237 |
10 | 2111001220213 |
11 | 7442a8178516 |
12 | 2a11620547b1 |
13 | 1240b3307972 |
14 | 7425ca1b6bb |
15 | 39da2e4805d |
hex | 1eb817a5475 |
2111001220213 has 8 divisors (see below), whose sum is σ = 2155964130432. Its totient is φ = 2066040309696.
The previous prime is 2111001220187. The next prime is 2111001220217. The reversal of 2111001220213 is 3120221001112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2111001220213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111001220217) 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, 1739581 + ... + 2692237.
It is an arithmetic number, because the mean of its divisors is an integer number (269495516304).
Almost surely, 22111001220213 is an apocalyptic number.
It is an amenable number.
2111001220213 is a deficient number, since it is larger than the sum of its proper divisors (44962910219).
2111001220213 is an equidigital number, since it uses as much as digits as its factorization.
2111001220213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 999851.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 2111001220213 its reverse (3120221001112), we get a palindrome (5231222221325).
The spelling of 2111001220213 in words is "two trillion, one hundred eleven billion, one million, two hundred twenty thousand, two hundred thirteen".
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