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2312033109 = 31787431269
BaseRepresentation
bin1000100111001110…
…1101001101010101
312222010111110011220
42021303231031111
514213340024414
61021230520553
7111202646211
oct21163551525
95863443156
102312033109
11a8709a771
12546366159
132aacc9239
1417d0c1941
15d7e9bca9
hex89ced355

2312033109 has 8 divisors (see below), whose sum is σ = 3084443040. Its totient is φ = 1540489296.

The previous prime is 2312033089. The next prime is 2312033111. The reversal of 2312033109 is 9013302132.

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

It is not a de Polignac number, because 2312033109 - 217 = 2311902037 is a prime.

It is a super-2 number, since 2×23120331092 = 10690994194224411762, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312038109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210274 + ... + 220995.

It is an arithmetic number, because the mean of its divisors is an integer number (385555380).

Almost surely, 22312033109 is an apocalyptic number.

It is an amenable number.

2312033109 is a deficient number, since it is larger than the sum of its proper divisors (772409931).

2312033109 is a wasteful number, since it uses less digits than its factorization.

2312033109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433059.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2312033109 is about 48083.6054076647. The cubic root of 2312033109 is about 1322.3041156508.

The spelling of 2312033109 in words is "two billion, three hundred twelve million, thirty-three thousand, one hundred nine".

Divisors: 1 3 1787 5361 431269 1293807 770677703 2312033109