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2381127388 = 221319451313
BaseRepresentation
bin1000110111101101…
…0001111011011100
320010221111210201021
42031323101323130
514334032034023
61032135453524
7113002151233
oct21573217334
96127453637
102381127388
1110120a2282
125655272a4
132bc40b723
14188349b1a
15de09935d
hex8ded1edc

2381127388 has 12 divisors (see below), whose sum is σ = 4170141360. Its totient is φ = 1189658432.

The previous prime is 2381127383. The next prime is 2381127401. The reversal of 2381127388 is 8837211832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381127383) 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, 220381 + ... + 230932.

It is an arithmetic number, because the mean of its divisors is an integer number (347511780).

Almost surely, 22381127388 is an apocalyptic number.

It is an amenable number.

2381127388 is a deficient number, since it is larger than the sum of its proper divisors (1789013972).

2381127388 is a wasteful number, since it uses less digits than its factorization.

2381127388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452636 (or 452634 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 2381127388 is about 48796.7969030755. The cubic root of 2381127388 is about 1335.3472307702.

The spelling of 2381127388 in words is "two billion, three hundred eighty-one million, one hundred twenty-seven thousand, three hundred eighty-eight".

Divisors: 1 2 4 1319 2638 5276 451313 902626 1805252 595281847 1190563694 2381127388