Base | Representation |
---|---|
bin | 11101010010000111001… |
… | …010010110010001000011 |
3 | 21010101010111200002100121 |
4 | 131102013022112101003 |
5 | 230432203424100311 |
6 | 4140235445001111 |
7 | 265245655410541 |
oct | 35220712262103 |
9 | 7111114602317 |
10 | 2012312331331 |
11 | 706464939625 |
12 | 285bbb3b3197 |
13 | 1179b6323723 |
14 | 6d579b70d91 |
15 | 37528d95b71 |
hex | 1d487296443 |
2012312331331 has 8 divisors (see below), whose sum is σ = 2044303186464. Its totient is φ = 1980441069120.
The previous prime is 2012312331301. The next prime is 2012312331343. The reversal of 2012312331331 is 1331332132102.
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 2012312331331 - 225 = 2012278776899 is a prime.
It is a super-2 number, since 2×20123123313312 (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 = 2012312331296 and 2012312331305.
It is not an unprimeable number, because it can be changed into a prime (2012312331301) 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, 29864311 + ... + 29931616.
It is an arithmetic number, because the mean of its divisors is an integer number (255537898308).
Almost surely, 22012312331331 is an apocalyptic number.
2012312331331 is a deficient number, since it is larger than the sum of its proper divisors (31990855133).
2012312331331 is an equidigital number, since it uses as much as digits as its factorization.
2012312331331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59796461.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 2012312331331 its reverse (1331332132102), we get a palindrome (3343644463433).
The spelling of 2012312331331 in words is "two trillion, twelve billion, three hundred twelve million, three hundred thirty-one thousand, three hundred thirty-one".
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