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2212703864 = 237311274599
BaseRepresentation
bin1000001111100011…
…0010111001111000
312201012121000001222
42003320302321320
514012423010424
61003321531212
7105555446450
oct20370627170
95635530058
102212703864
11a36017188
12519043b08
1329355bb37
1416dc26d60
15ce3cae5e
hex83e32e78

2212703864 has 32 divisors (see below), whose sum is σ = 4894464000. Its totient is φ = 917710560.

The previous prime is 2212703863. The next prime is 2212703873. The reversal of 2212703864 is 4683072122.

2212703864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212703863) 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, 635564 + ... + 639035.

It is an arithmetic number, because the mean of its divisors is an integer number (152952000).

Almost surely, 22212703864 is an apocalyptic number.

It is an amenable number.

2212703864 is an abundant number, since it is smaller than the sum of its proper divisors (2681760136).

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

2212703864 is a wasteful number, since it uses less digits than its factorization.

2212703864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274643 (or 1274639 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2212703864 is about 47039.3863055206. The cubic root of 2212703864 is about 1303.0900582840.

Adding to 2212703864 its reverse (4683072122), we get a palindrome (6895775986).

The spelling of 2212703864 in words is "two billion, two hundred twelve million, seven hundred three thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 1274599 2549198 5098396 8922193 10196792 17844386 35688772 39512569 71377544 79025138 158050276 276587983 316100552 553175966 1106351932 2212703864