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2381968486 = 21190984243
BaseRepresentation
bin1000110111111001…
…1111010001100110
320011000002112111001
42031332133101212
514334240442421
61032205503514
7113012253352
oct21576372146
96130075431
102381968486
1110126171a7
12565871b9a
132bc644511
141884c8462
15de1b3691
hex8df9f466

2381968486 has 4 divisors (see below), whose sum is σ = 3572952732. Its totient is φ = 1190984242.

The previous prime is 2381968403. The next prime is 2381968487. The reversal of 2381968486 is 6848691832.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381968487) 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 as a sum of consecutive naturals, namely, 595492120 + ... + 595492123.

It is an arithmetic number, because the mean of its divisors is an integer number (893238183).

Almost surely, 22381968486 is an apocalyptic number.

2381968486 is a deficient number, since it is larger than the sum of its proper divisors (1190984246).

2381968486 is a wasteful number, since it uses less digits than its factorization.

2381968486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190984245.

The product of its digits is 3981312, while the sum is 55.

The square root of 2381968486 is about 48805.4145151949. The cubic root of 2381968486 is about 1335.5044428078.

The spelling of 2381968486 in words is "two billion, three hundred eighty-one million, nine hundred sixty-eight thousand, four hundred eighty-six".

Divisors: 1 2 1190984243 2381968486