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2221111130 = 257137231607
BaseRepresentation
bin1000010001100011…
…0111011101011010
312201210102010200012
42010120313131122
514022101024010
61004222041522
7106020063440
oct20430673532
95653363605
102221111130
11a3a839737
1251ba192a2
13295213754
14170db4b90
15ceedc005
hex8463775a

2221111130 has 32 divisors (see below), whose sum is σ = 4602514176. Its totient is φ = 755961984.

The previous prime is 2221111129. The next prime is 2221111133. The reversal of 2221111130 is 311111222.

2221111130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (2221111133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106214 + ... + 125393.

It is an arithmetic number, because the mean of its divisors is an integer number (143828568).

Almost surely, 22221111130 is an apocalyptic number.

2221111130 is an abundant number, since it is smaller than the sum of its proper divisors (2381403046).

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

2221111130 is a wasteful number, since it uses less digits than its factorization.

2221111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231758.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2221111130 is about 47128.6656929729. The cubic root of 2221111130 is about 1304.7383551827.

Adding to 2221111130 its reverse (311111222), we get a palindrome (2532222352).

The spelling of 2221111130 in words is "two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 137 274 685 959 1370 1918 4795 9590 231607 463214 1158035 1621249 2316070 3242498 8106245 16212490 31730159 63460318 158650795 222111113 317301590 444222226 1110555565 2221111130