Base | Representation |
---|---|
bin | 100000011110000011110… |
… | …110111000111111000111 |
3 | 21220022101011001000121102 |
4 | 200132003312320333013 |
5 | 243024200324343421 |
6 | 4425013431410315 |
7 | 320130462013130 |
oct | 40360366707707 |
9 | 7808334030542 |
10 | 2231300231111 |
11 | 79031a8a0986 |
12 | 300535b2399b |
13 | 132545434853 |
14 | 79dd195ac87 |
15 | 3d0942b460b |
hex | 20783db8fc7 |
2231300231111 has 16 divisors (see below), whose sum is σ = 2694477350400. Its totient is φ = 1804993577568.
The previous prime is 2231300231077. The next prime is 2231300231123. The reversal of 2231300231111 is 1111320031322.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2231300231111 - 222 = 2231296036807 is a prime.
It is a super-4 number, since 4×22313002311114 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231300231011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31859876 + ... + 31929833.
It is an arithmetic number, because the mean of its divisors is an integer number (168404834400).
Almost surely, 22231300231111 is an apocalyptic number.
2231300231111 is a deficient number, since it is larger than the sum of its proper divisors (463177119289).
2231300231111 is a wasteful number, since it uses less digits than its factorization.
2231300231111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63789998.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 2231300231111 its reverse (1111320031322), we get a palindrome (3342620262433).
The spelling of 2231300231111 in words is "two trillion, two hundred thirty-one billion, three hundred million, two hundred thirty-one thousand, one hundred eleven".
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