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2381388119 = 111032101843
BaseRepresentation
bin1000110111110001…
…0001100101010111
320010222000001100222
42031330101211113
514334113404434
61032145224555
7113004315335
oct21574214527
96128001328
102381388119
111012260160
1256563215b
132bc4a02c6
141883b6b55
15de0eb72e
hex8df11957

2381388119 has 8 divisors (see below), whose sum is σ = 2623101312. Its totient is φ = 2143878840.

The previous prime is 2381388083. The next prime is 2381388133. The reversal of 2381388119 is 9118831832.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2381388119 is a prime.

It is a super-2 number, since 2×23813881192 = 11342018746628716322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2381388119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381388019) 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, 1049789 + ... + 1052054.

It is an arithmetic number, because the mean of its divisors is an integer number (327887664).

Almost surely, 22381388119 is an apocalyptic number.

2381388119 is a deficient number, since it is larger than the sum of its proper divisors (241713193).

2381388119 is a wasteful number, since it uses less digits than its factorization.

2381388119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101957.

The product of its digits is 82944, while the sum is 44.

The square root of 2381388119 is about 48799.4684294819. The cubic root of 2381388119 is about 1335.3959687075.

The spelling of 2381388119 in words is "two billion, three hundred eighty-one million, three hundred eighty-eight thousand, one hundred nineteen".

Divisors: 1 11 103 1133 2101843 23120273 216489829 2381388119