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2013023214 = 232111834623
BaseRepresentation
bin111011111111100…
…0100101111101110
312012021212011201100
41313333010233232
513110313220324
6531430023530
7100612262226
oct16777045756
95167764640
102013023214
11943332154
124821a7ba6
13261086cc7
141514c9086
15bbad64c9
hex77fc4bee

2013023214 has 12 divisors (see below), whose sum is σ = 4361550336. Its totient is φ = 671007732.

The previous prime is 2013023209. The next prime is 2013023219. The reversal of 2013023214 is 4123203102.

It is an interprime number because it is at equal distance from previous prime (2013023209) and next prime (2013023219).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 111834623 = 2013023214 / (2 + 0 + 1 + 3 + 0 + 2 + 3 + 2 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013023219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55917294 + ... + 55917329.

It is an arithmetic number, because the mean of its divisors is an integer number (363462528).

Almost surely, 22013023214 is an apocalyptic number.

2013023214 is an abundant number, since it is smaller than the sum of its proper divisors (2348527122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013023214 is a wasteful number, since it uses less digits than its factorization.

2013023214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111834631 (or 111834628 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2013023214 is about 44866.7272485970. The cubic root of 2013023214 is about 1262.6498390794.

Adding to 2013023214 its reverse (4123203102), we get a palindrome (6136226316).

The spelling of 2013023214 in words is "two billion, thirteen million, twenty-three thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 111834623 223669246 335503869 671007738 1006511607 2013023214