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2122031322 = 232448126309
BaseRepresentation
bin111111001111011…
…1010000011011010
312110212222100201200
41332132322003122
513321220000242
6550322255030
7103404653145
oct17636720332
95425870650
102122031322
119999165a4
124b27b7476
1327a832a48
14161b8305c
15c646a04c
hex7e7ba0da

2122031322 has 24 divisors (see below), whose sum is σ = 4598935380. Its totient is φ = 707159040.

The previous prime is 2122031309. The next prime is 2122031357. The reversal of 2122031322 is 2231302212.

It can be written as a sum of positive squares in 2 ways, for example, as 2102130801 + 19900521 = 45849^2 + 4461^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2122031295 and 2122031304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67504 + ... + 93812.

Almost surely, 22122031322 is an apocalyptic number.

2122031322 is an abundant number, since it is smaller than the sum of its proper divisors (2476904058).

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

2122031322 is a wasteful number, since it uses less digits than its factorization.

2122031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30798 (or 30795 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2122031322 is about 46065.5111987265. The cubic root of 2122031322 is about 1285.0418255651.

Adding to 2122031322 its reverse (2231302212), we get a palindrome (4353333534).

The spelling of 2122031322 in words is "two billion, one hundred twenty-two million, thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 4481 8962 13443 26309 26886 40329 52618 78927 80658 157854 236781 473562 117890629 235781258 353671887 707343774 1061015661 2122031322