| Base | Representation |
|---|---|
| bin | 110000000000010111001010… |
| … | …110100110011111000110000 |
| 3 | 1000200112221022002021112212000 |
| 4 | 300000113022310303320300 |
| 5 | 210133133003203223440 |
| 6 | 2025012143143534000 |
| 7 | 62320501506100461 |
| oct | 6000271264637060 |
| 9 | 1020487262245760 |
| 10 | 211131110211120 |
| 11 | 613002235a0440 |
| 12 | 1b81a75975a300 |
| 13 | 90a67695a20c8 |
| 14 | 3a1cb2bca0d68 |
| 15 | 1962010cad730 |
| hex | c005cad33e30 |
211131110211120 has 1280 divisors, whose sum is σ = 844675034480640. Its totient is φ = 47964665548800.
The previous prime is 211131110211101. The next prime is 211131110211121. The reversal of 211131110211120 is 21112011131112.
211131110211120 is a `hidden beast` number, since 2 + 1 + 11 + 311 + 10 + 211 + 120 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 211131110211093 and 211131110211102.
It is not an unprimeable number, because it can be changed into a prime (211131110211121) by changing a digit.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 21519831015 + ... + 21519840825.
It is an arithmetic number, because the mean of its divisors is an integer number (659902370688).
Almost surely, 2211131110211120 is an apocalyptic number.
211131110211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211131110211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422337517240320).
211131110211120 is an abundant number, since it is smaller than the sum of its proper divisors (633543924269520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211131110211120 is a wasteful number, since it uses less digits than its factorization.
211131110211120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10663 (or 10651 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 18.
Adding to 211131110211120 its reverse (21112011131112), we get a palindrome (232243121342232).
The spelling of 211131110211120 in words is "two hundred eleven trillion, one hundred thirty-one billion, one hundred ten million, two hundred eleven thousand, one hundred twenty".
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