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2212703272 = 2313171251529
BaseRepresentation
bin1000001111100011…
…0010110000101000
312201012120222021001
42003320302300220
514012423001042
61003321524344
7105555444643
oct20370626050
95635528231
102212703272
11a3601679a
125190436b4
1329355b7a0
1416dc26a5a
15ce3cabb7
hex83e32c28

2212703272 has 32 divisors (see below), whose sum is σ = 4730783400. Its totient is φ = 961173504.

The previous prime is 2212703263. The next prime is 2212703299. The reversal of 2212703272 is 2723072122.

It can be written as a sum of positive squares in 4 ways, for example, as 1178823556 + 1033879716 = 34334^2 + 32154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2212703272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623997 + ... + 627532.

Almost surely, 22212703272 is an apocalyptic number.

It is an amenable number.

2212703272 is an abundant number, since it is smaller than the sum of its proper divisors (2518080128).

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

2212703272 is a wasteful number, since it uses less digits than its factorization.

2212703272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251565 (or 1251561 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2212703272 is about 47039.3800129211. The cubic root of 2212703272 is about 1303.0899420718.

Adding to 2212703272 its reverse (2723072122), we get a palindrome (4935775394).

The spelling of 2212703272 in words is "two billion, two hundred twelve million, seven hundred three thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 442 884 1768 1251529 2503058 5006116 10012232 16269877 21275993 32539754 42551986 65079508 85103972 130159016 170207944 276587909 553175818 1106351636 2212703272