Base | Representation |
---|---|
bin | 11101010001111010101… |
… | …011110011111111011111 |
3 | 21010100120220202221210111 |
4 | 131101322223303333133 |
5 | 230431241332000111 |
6 | 4140203010150451 |
7 | 265240534210315 |
oct | 35217253637737 |
9 | 7110526687714 |
10 | 2012103000031 |
11 | 706367762953 |
12 | 285b61282427 |
13 | 117981b50057 |
14 | 6d55a0400b5 |
15 | 375157e6a21 |
hex | 1d47aaf3fdf |
2012103000031 has 4 divisors (see below), whose sum is σ = 2066484162232. Its totient is φ = 1957721837832.
The previous prime is 2012102999947. The next prime is 2012103000077. The reversal of 2012103000031 is 1300003012102.
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 2012103000031 - 225 = 2012069445599 is a prime.
It is a super-2 number, since 2×20121030000312 (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 = 2012102999975 and 2012103000020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012103070031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27190581045 + ... + 27190581118.
It is an arithmetic number, because the mean of its divisors is an integer number (516621040558).
Almost surely, 22012103000031 is an apocalyptic number.
2012103000031 is a deficient number, since it is larger than the sum of its proper divisors (54381162201).
2012103000031 is an equidigital number, since it uses as much as digits as its factorization.
2012103000031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54381162200.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 2012103000031 its reverse (1300003012102), we get a palindrome (3312106012133).
The spelling of 2012103000031 in words is "two trillion, twelve billion, one hundred three million, thirty-one", and thus it is an aban number.
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