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2021868482 = 21889535169
BaseRepresentation
bin111100010000011…
…0100001111000010
312012220111120010212
41320200310033002
513120044242412
6532343354122
7101050412204
oct17040641702
95186446125
102021868482
11948323797
12485152942
13262b630aa
1415274c774
15bc782222
hex788343c2

2021868482 has 8 divisors (see below), whose sum is σ = 3034413900. Its totient is φ = 1010397184.

The previous prime is 2021868461. The next prime is 2021868523. The reversal of 2021868482 is 2848681202.

It can be written as a sum of positive squares in 2 ways, for example, as 1788359521 + 233508961 = 42289^2 + 15281^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 263807 + ... + 271362.

Almost surely, 22021868482 is an apocalyptic number.

2021868482 is a deficient number, since it is larger than the sum of its proper divisors (1012545418).

2021868482 is a wasteful number, since it uses less digits than its factorization.

2021868482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537060.

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 2021868482 is about 44965.1918932856. The cubic root of 2021868482 is about 1264.4965072779.

The spelling of 2021868482 in words is "two billion, twenty-one million, eight hundred sixty-eight thousand, four hundred eighty-two".

Divisors: 1 2 1889 3778 535169 1070338 1010934241 2021868482