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2221133982 = 23370188997
BaseRepresentation
bin1000010001100011…
…1101000010011110
312201210110022000120
42010120331002132
514022102241412
61004222335410
7106020220164
oct20430750236
95653408016
102221133982
11a3a854921
1251ba2a566
13295220c82
14170dbd234
15ceee3b8c
hex8463d09e

2221133982 has 8 divisors (see below), whose sum is σ = 4442267976. Its totient is φ = 740377992.

The previous prime is 2221133977. The next prime is 2221133987. The reversal of 2221133982 is 2893311222.

It is an interprime number because it is at equal distance from previous prime (2221133977) and next prime (2221133987).

It is a sphenic number, since it is the product of 3 distinct primes.

2221133982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221133987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185094493 + ... + 185094504.

It is an arithmetic number, because the mean of its divisors is an integer number (555283497).

Almost surely, 22221133982 is an apocalyptic number.

2221133982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2221133982 is a wasteful number, since it uses less digits than its factorization.

2221133982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370189002.

The product of its digits is 10368, while the sum is 33.

The square root of 2221133982 is about 47128.9081350290. The cubic root of 2221133982 is about 1304.7428297867.

The spelling of 2221133982 in words is "two billion, two hundred twenty-one million, one hundred thirty-three thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 370188997 740377994 1110566991 2221133982