Base | Representation |
---|---|
bin | 11101010000111010110… |
… | …010111000001001010111 |
3 | 21010020211012211022102021 |
4 | 131100322302320021113 |
5 | 230422042431011411 |
6 | 4135504355554011 |
7 | 265202140252213 |
oct | 35207262701127 |
9 | 7106735738367 |
10 | 2011031110231 |
11 | 7059676a8210 |
12 | 2859022bb907 |
13 | 117840a62130 |
14 | 6d49793b943 |
15 | 374a1664a71 |
hex | 1d43acb8257 |
2011031110231 has 8 divisors (see below), whose sum is σ = 2362609975824. Its totient is φ = 1687578553920.
The previous prime is 2011031110213. The next prime is 2011031110307. The reversal of 2011031110231 is 1320111301102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2011031110231 - 29 = 2011031109719 is a prime.
It is a super-2 number, since 2×20110311102312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2011031110531) 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, 7031577166 + ... + 7031577451.
It is an arithmetic number, because the mean of its divisors is an integer number (295326246978).
Almost surely, 22011031110231 is an apocalyptic number.
2011031110231 is a deficient number, since it is larger than the sum of its proper divisors (351578865593).
2011031110231 is a wasteful number, since it uses less digits than its factorization.
2011031110231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14063154641.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 2011031110231 its reverse (1320111301102), we get a palindrome (3331142411333).
The spelling of 2011031110231 in words is "two trillion, eleven billion, thirty-one million, one hundred ten thousand, two hundred thirty-one".
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