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2163683382 = 23751516271
BaseRepresentation
bin1000000011110111…
…0011000000110110
312120210100111121120
42000331303000312
513412400332012
6554411124410
7104422001550
oct20075630066
95523314546
102163683382
11a10385393
12504743706
13286357533
141675064d0
15c9e4658c
hex80f73036

2163683382 has 16 divisors (see below), whose sum is σ = 4945562112. Its totient is φ = 618195240.

The previous prime is 2163683369. The next prime is 2163683437. The reversal of 2163683382 is 2833863612.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 51516271 = 2163683382 / (2 + 1 + 6 + 3 + 6 + 8 + 3 + 3 + 8 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25758094 + ... + 25758177.

It is an arithmetic number, because the mean of its divisors is an integer number (309097632).

Almost surely, 22163683382 is an apocalyptic number.

2163683382 is an abundant number, since it is smaller than the sum of its proper divisors (2781878730).

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

2163683382 is a wasteful number, since it uses less digits than its factorization.

2163683382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51516283.

The product of its digits is 248832, while the sum is 42.

The square root of 2163683382 is about 46515.4101562052. The cubic root of 2163683382 is about 1293.3951750787.

The spelling of 2163683382 in words is "two billion, one hundred sixty-three million, six hundred eighty-three thousand, three hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 51516271 103032542 154548813 309097626 360613897 721227794 1081841691 2163683382