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8140982387 = 371571401443
BaseRepresentation
bin1111001010011110…
…11000100001110011
3210000100200202101012
413211033120201303
5113133042414022
63423453301135
7405512131346
oct74517304163
923010622335
108140982387
1134a841061a
1216b24947ab
139c9805655
145732c645d
15329a97de2
hex1e53d8873

8140982387 has 8 divisors (see below), whose sum is σ = 8414269776. Its totient is φ = 7870498272.

The previous prime is 8140982327. The next prime is 8140982393. The reversal of 8140982387 is 7832890418.

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

It is a cyclic number.

It is not a de Polignac number, because 8140982387 - 28 = 8140982131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8140982327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694913 + ... + 706530.

It is an arithmetic number, because the mean of its divisors is an integer number (1051783722).

Almost surely, 28140982387 is an apocalyptic number.

8140982387 is a deficient number, since it is larger than the sum of its proper divisors (273287389).

8140982387 is a wasteful number, since it uses less digits than its factorization.

8140982387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401637.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 8140982387 is about 90227.3926643123. The cubic root of 8140982387 is about 2011.6801860857.

The spelling of 8140982387 in words is "eight billion, one hundred forty million, nine hundred eighty-two thousand, three hundred eighty-seven".

Divisors: 1 37 157 5809 1401443 51853391 220026551 8140982387