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2012444311 = 83178913553
BaseRepresentation
bin111011111110011…
…0111011010010111
312012020202202121111
41313330313122113
513110141204221
6531405355451
7100604331403
oct16774673227
95166682544
102012444311
11942a77219
12481b68b87
13260c13667
141513b8103
15bba1ebe1
hex77f37697

2012444311 has 8 divisors (see below), whose sum is σ = 2037979440. Its totient is φ = 1986940032.

The previous prime is 2012444281. The next prime is 2012444381. The reversal of 2012444311 is 1134442102.

It is a happy number.

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 2012444311 - 25 = 2012444279 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 (2012444381) 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, 141711 + ... + 155263.

It is an arithmetic number, because the mean of its divisors is an integer number (254747430).

Almost surely, 22012444311 is an apocalyptic number.

2012444311 is a deficient number, since it is larger than the sum of its proper divisors (25535129).

2012444311 is a wasteful number, since it uses less digits than its factorization.

2012444311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2012444311 is about 44860.2754226944. The cubic root of 2012444311 is about 1262.5287903247.

Adding to 2012444311 its reverse (1134442102), we get a palindrome (3146886413).

The spelling of 2012444311 in words is "two billion, twelve million, four hundred forty-four thousand, three hundred eleven".

Divisors: 1 83 1789 13553 148487 1124899 24246317 2012444311