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2211120229 = 31129155249
BaseRepresentation
bin1000001111001011…
…0000010001100101
312201002121112201211
42003302300101211
514012021321404
61003223551421
7105536132443
oct20362602145
95632545654
102211120229
11a3513539a
125185bb571
13293126086
1416d933b93
15ce1b6b04
hex83cb0465

2211120229 has 8 divisors (see below), whose sum is σ = 2284256000. Its totient is φ = 2138097600.

The previous prime is 2211120227. The next prime is 2211120239. The reversal of 2211120229 is 9220211122.

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 2211120229 - 21 = 2211120227 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 (2211120221) by changing a digit.

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, 12397 + ... + 67645.

It is an arithmetic number, because the mean of its divisors is an integer number (285532000).

Almost surely, 22211120229 is an apocalyptic number.

It is an amenable number.

2211120229 is a deficient number, since it is larger than the sum of its proper divisors (73135771).

2211120229 is a wasteful number, since it uses less digits than its factorization.

2211120229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56571.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2211120229 is about 47022.5502179539. The cubic root of 2211120229 is about 1302.7791096801.

The spelling of 2211120229 in words is "two billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-nine".

Divisors: 1 31 1291 40021 55249 1712719 71326459 2211120229