Base | Representation |
---|---|
bin | 11001001010100… |
… | …10010110110000 |
3 | 112201020001021102 |
4 | 30211102112300 |
5 | 413020213404 |
6 | 32540343532 |
7 | 5142221054 |
oct | 1445222660 |
9 | 481201242 |
10 | 211101104 |
11 | a9185425 |
12 | 5a844ba8 |
13 | 349730c6 |
14 | 20071c64 |
15 | 137ed71e |
hex | c9525b0 |
211101104 has 40 divisors (see below), whose sum is σ = 443163600. Its totient is φ = 97026048.
The previous prime is 211101097. The next prime is 211101109. The reversal of 211101104 is 401101112.
It is a super-2 number, since 2×2111011042 = 89127352220037632, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (211101109) 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, 2672 + ... + 20720.
It is an arithmetic number, because the mean of its divisors is an integer number (11079090).
Almost surely, 2211101104 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211101104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221581800).
211101104 is an abundant number, since it is smaller than the sum of its proper divisors (232062496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211101104 is a wasteful number, since it uses less digits than its factorization.
211101104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18117 (or 18111 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 211101104 is about 14529.3187727436. The cubic root of 211101104 is about 595.4292540720.
Adding to 211101104 its reverse (401101112), we get a palindrome (612202216).
The spelling of 211101104 in words is "two hundred eleven million, one hundred one thousand, one hundred four".
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