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2123182107 = 321311800833
BaseRepresentation
bin111111010001101…
…0011000000011011
312110222010211022100
41332203103000123
513322013311412
6550403054443
7103420515204
oct17643230033
95428124270
102123182107
1199a532162
124b3071423
1327ab46797
14161da25ab
15c65e5edc
hex7e8d301b

2123182107 has 12 divisors (see below), whose sum is σ = 3090231144. Its totient is φ = 1404648960.

The previous prime is 2123182099. The next prime is 2123182111. The reversal of 2123182107 is 7012813212.

It is not a de Polignac number, because 2123182107 - 23 = 2123182099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123182177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899238 + ... + 901595.

It is an arithmetic number, because the mean of its divisors is an integer number (257519262).

Almost surely, 22123182107 is an apocalyptic number.

2123182107 is a deficient number, since it is larger than the sum of its proper divisors (967049037).

2123182107 is a wasteful number, since it uses less digits than its factorization.

2123182107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800970 (or 1800967 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 2123182107 is about 46078.0002495768. Note that the first 3 decimals coincide. The cubic root of 2123182107 is about 1285.2740778103.

Adding to 2123182107 its reverse (7012813212), we get a palindrome (9135995319).

The spelling of 2123182107 in words is "two billion, one hundred twenty-three million, one hundred eighty-two thousand, one hundred seven".

Divisors: 1 3 9 131 393 1179 1800833 5402499 16207497 235909123 707727369 2123182107