Base | Representation |
---|---|
bin | 11101010010000001110… |
… | …110011000110111100111 |
3 | 21010100220021222102000211 |
4 | 131102001312120313213 |
5 | 230432013120304111 |
6 | 4140222542520251 |
7 | 265243524046453 |
oct | 35220166306747 |
9 | 7110807872024 |
10 | 2012223213031 |
11 | 7064195aa739 |
12 | 285b95596087 |
13 | 1179a0a1cbc5 |
14 | 6d56bdb3663 |
15 | 37521140521 |
hex | 1d481d98de7 |
2012223213031 has 4 divisors (see below), whose sum is σ = 2066607624232. Its totient is φ = 1957838801832.
The previous prime is 2012223212999. The next prime is 2012223213089. The reversal of 2012223213031 is 1303123222102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2012223213031 - 25 = 2012223212999 is a prime.
It is a super-2 number, since 2×20122232130312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2012223212993 and 2012223213011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012223213431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27192205545 + ... + 27192205618.
It is an arithmetic number, because the mean of its divisors is an integer number (516651906058).
Almost surely, 22012223213031 is an apocalyptic number.
2012223213031 is a deficient number, since it is larger than the sum of its proper divisors (54384411201).
2012223213031 is an equidigital number, since it uses as much as digits as its factorization.
2012223213031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54384411200.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2012223213031 its reverse (1303123222102), we get a palindrome (3315346435133).
The spelling of 2012223213031 in words is "two trillion, twelve billion, two hundred twenty-three million, two hundred thirteen thousand, thirty-one".
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