Base | Representation |
---|---|
bin | 11101100011101110010… |
… | …001110111000010100011 |
3 | 21012011221100222010010010 |
4 | 131203232101313002203 |
5 | 231234420342114021 |
6 | 4153044113340003 |
7 | 266515403010222 |
oct | 35435621670243 |
9 | 7164840863103 |
10 | 2031222223011 |
11 | 713488a9a083 |
12 | 2897b8267603 |
13 | 11970ac01b47 |
14 | 70451370cb9 |
15 | 37c84081976 |
hex | 1d8ee4770a3 |
2031222223011 has 16 divisors (see below), whose sum is σ = 2744370383360. Its totient is φ = 1336133504160.
The previous prime is 2031222222977. The next prime is 2031222223057. The reversal of 2031222223011 is 1103222221302.
It is a de Polignac number, because none of the positive numbers 2k-2031222223011 is a prime.
It is a super-2 number, since 2×20312222230112 (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 (2031222223211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2436160 + ... + 3161853.
It is an arithmetic number, because the mean of its divisors is an integer number (171523148960).
Almost surely, 22031222223011 is an apocalyptic number.
2031222223011 is a deficient number, since it is larger than the sum of its proper divisors (713148160349).
2031222223011 is a wasteful number, since it uses less digits than its factorization.
2031222223011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5599626.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 2031222223011 its reverse (1103222221302), we get a palindrome (3134444444313).
The spelling of 2031222223011 in words is "two trillion, thirty-one billion, two hundred twenty-two million, two hundred twenty-three thousand, eleven".
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