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2212312271 = 13971754411
BaseRepresentation
bin1000001111011101…
…0011010011001111
312201011212002220112
42003313103103033
514012322443041
61003305310235
7105552226001
oct20367232317
95634762815
102212312271
11a35879a54
12518a9537b
13293452820
1416db64371
15ce34edeb
hex83dd34cf

2212312271 has 8 divisors (see below), whose sum is σ = 2407053264. Its totient is φ = 2021080320.

The previous prime is 2212312259. The next prime is 2212312301. The reversal of 2212312271 is 1722132122.

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 2212312271 - 210 = 2212311247 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 (2212312171) 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, 875945 + ... + 878466.

It is an arithmetic number, because the mean of its divisors is an integer number (300881658).

Almost surely, 22212312271 is an apocalyptic number.

2212312271 is a deficient number, since it is larger than the sum of its proper divisors (194740993).

2212312271 is a wasteful number, since it uses less digits than its factorization.

2212312271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754521.

The product of its digits is 672, while the sum is 23.

The square root of 2212312271 is about 47035.2237264797. The cubic root of 2212312271 is about 1303.0131823467.

Adding to 2212312271 its reverse (1722132122), we get a palindrome (3934444393).

The spelling of 2212312271 in words is "two billion, two hundred twelve million, three hundred twelve thousand, two hundred seventy-one".

Divisors: 1 13 97 1261 1754411 22807343 170177867 2212312271