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6381195994 = 25875435431
BaseRepresentation
bin1011111000101100…
…10101001011011010
3121110201100100021101
411330112111023122
5101032041232434
62533111102014
7314063161645
oct57426251332
917421310241
106381195994
112785022aa8
1212a107190a
137a9055424
144476baa5c
15275334b14
hex17c5952da

6381195994 has 8 divisors (see below), whose sum is σ = 9588102048. Its totient is φ = 3185161980.

The previous prime is 6381195991. The next prime is 6381196021. The reversal of 6381195994 is 4995911836.

6381195994 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (6381195991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2716542 + ... + 2718889.

It is an arithmetic number, because the mean of its divisors is an integer number (1198512756).

Almost surely, 26381195994 is an apocalyptic number.

6381195994 is a deficient number, since it is larger than the sum of its proper divisors (3206906054).

6381195994 is a wasteful number, since it uses less digits than its factorization.

6381195994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436020.

The product of its digits is 2099520, while the sum is 55.

The square root of 6381195994 is about 79882.3885096083. The cubic root of 6381195994 is about 1854.8154066865.

The spelling of 6381195994 in words is "six billion, three hundred eighty-one million, one hundred ninety-five thousand, nine hundred ninety-four".

Divisors: 1 2 587 1174 5435431 10870862 3190597997 6381195994