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2012216263 = 19310425991
BaseRepresentation
bin111011111101111…
…1111101111000111
312012020100011210021
41313323333233013
513110111410023
6531400440011
7100602361501
oct16773775707
95166304707
102012216263
11942930952
12481a79007
13260b63915
14151358d71
15bb9c735d
hex77effbc7

2012216263 has 4 divisors (see below), whose sum is σ = 2022642448. Its totient is φ = 2001790080.

The previous prime is 2012216221. The next prime is 2012216267. The reversal of 2012216263 is 3626122102.

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 2012216263 - 217 = 2012085191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012216267) 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, 5212803 + ... + 5213188.

It is an arithmetic number, because the mean of its divisors is an integer number (505660612).

Almost surely, 22012216263 is an apocalyptic number.

2012216263 is a deficient number, since it is larger than the sum of its proper divisors (10426185).

2012216263 is a wasteful number, since it uses less digits than its factorization.

2012216263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426184.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2012216263 is about 44857.7335918791. The cubic root of 2012216263 is about 1262.4810990602.

Adding to 2012216263 its reverse (3626122102), we get a palindrome (5638338365).

The spelling of 2012216263 in words is "two billion, twelve million, two hundred sixteen thousand, two hundred sixty-three".

Divisors: 1 193 10425991 2012216263