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6441142514 = 23220571257
BaseRepresentation
bin1011111111110110…
…00000100011110010
3121121220010221102212
411333323000203302
5101142413030024
62543052012122
7315421544102
oct57773004362
917556127385
106441142514
112805947784
1212b9161042
137b85b3c41
14451643202
1527a726a0e
hex17fec08f2

6441142514 has 4 divisors (see below), whose sum is σ = 9661713774. Its totient is φ = 3220571256.

The previous prime is 6441142489. The next prime is 6441142549. The reversal of 6441142514 is 4152411446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4152411446 = 22076205723.

It can be written as a sum of positive squares in only one way, i.e., 3693600625 + 2747541889 = 60775^2 + 52417^2 .

It is an unprimeable number.

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, 1610285627 + ... + 1610285630.

Almost surely, 26441142514 is an apocalyptic number.

6441142514 is a deficient number, since it is larger than the sum of its proper divisors (3220571260).

6441142514 is a wasteful number, since it uses less digits than its factorization.

6441142514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220571259.

The product of its digits is 15360, while the sum is 32.

The square root of 6441142514 is about 80256.7287770938. The cubic root of 6441142514 is about 1860.6055100699.

The spelling of 6441142514 in words is "six billion, four hundred forty-one million, one hundred forty-two thousand, five hundred fourteen".

Divisors: 1 2 3220571257 6441142514