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2382140731 = 19112471941
BaseRepresentation
bin1000110111111100…
…1001010100111011
320011000102021202111
42031333021110323
514334312000411
61032213313151
7113013601465
oct21577112473
96130367674
102382140731
111012724653
125659357b7
132bc6a4a39
14188531135
15de1e9721
hex8dfc953b

2382140731 has 4 divisors (see below), whose sum is σ = 2394612864. Its totient is φ = 2369668600.

The previous prime is 2382140711. The next prime is 2382140741. The reversal of 2382140731 is 1370412832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2382140731 - 229 = 1845269819 is a prime.

It is a super-2 number, since 2×23821407312 = 11349188924578428722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2382140693 and 2382140702.

It is not an unprimeable number, because it can be changed into a prime (2382140711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6235780 + ... + 6236161.

It is an arithmetic number, because the mean of its divisors is an integer number (598653216).

Almost surely, 22382140731 is an apocalyptic number.

2382140731 is a deficient number, since it is larger than the sum of its proper divisors (12472133).

2382140731 is a wasteful number, since it uses less digits than its factorization.

2382140731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12472132.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2382140731 is about 48807.1790928343. The cubic root of 2382140731 is about 1335.5366330487.

The spelling of 2382140731 in words is "two billion, three hundred eighty-two million, one hundred forty thousand, seven hundred thirty-one".

Divisors: 1 191 12471941 2382140731