Base | Representation |
---|---|
bin | 11110101110001101111… |
… | …011011100010011010011 |
3 | 21110211101212021220012221 |
4 | 132232031323130103103 |
5 | 234042224242042321 |
6 | 4253513155401511 |
7 | 305346516601324 |
oct | 36561573342323 |
9 | 7424355256187 |
10 | 2111210112211 |
11 | 7443a5084132 |
12 | 2a11bbbb3297 |
13 | 1241176863b5 |
14 | 7427c67644b |
15 | 39db645be41 |
hex | 1eb8dedc4d3 |
2111210112211 has 8 divisors (see below), whose sum is σ = 2111832417744. Its totient is φ = 2110587903360.
The previous prime is 2111210112197. The next prime is 2111210112223. The reversal of 2111210112211 is 1122110121112.
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-2111210112211 is a prime.
It is a super-2 number, since 2×21112101122112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2111210113211) 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, 70638991 + ... + 70668871.
It is an arithmetic number, because the mean of its divisors is an integer number (263979052218).
Almost surely, 22111210112211 is an apocalyptic number.
2111210112211 is a deficient number, since it is larger than the sum of its proper divisors (622305533).
2111210112211 is a wasteful number, since it uses less digits than its factorization.
2111210112211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48341.
The product of its (nonzero) digits is 16, while the sum is 16.
Adding to 2111210112211 its reverse (1122110121112), we get a palindrome (3233320233323).
The spelling of 2111210112211 in words is "two trillion, one hundred eleven billion, two hundred ten million, one hundred twelve thousand, two hundred eleven".
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