Search a number
-
+
2012103000031 = 3754381162163
BaseRepresentation
bin11101010001111010101…
…011110011111111011111
321010100120220202221210111
4131101322223303333133
5230431241332000111
64140203010150451
7265240534210315
oct35217253637737
97110526687714
102012103000031
11706367762953
12285b61282427
13117981b50057
146d55a0400b5
15375157e6a21
hex1d47aaf3fdf

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.

Divisors: 1 37 54381162163 2012103000031