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8142168914 = 2111946342071
BaseRepresentation
bin1111001010100111…
…11010001101010010
3210000102221000222122
413211103322031102
5113133343401124
63423534534242
7405525202535
oct74523721522
923012830878
108142168914
1134a9051020
1216b2967382
139c9b2c739
14573514a1c
15329c2e75e
hex1e54fa352

8142168914 has 32 divisors (see below), whose sum is σ = 14055413760. Its totient is φ = 3498541200.

The previous prime is 8142168913. The next prime is 8142168949. The reversal of 8142168914 is 4198612418.

It is not an unprimeable number, because it can be changed into a prime (8142168911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172499 + ... + 214569.

It is an arithmetic number, because the mean of its divisors is an integer number (439231680).

Almost surely, 28142168914 is an apocalyptic number.

8142168914 is a deficient number, since it is larger than the sum of its proper divisors (5913244846).

8142168914 is a wasteful number, since it uses less digits than its factorization.

8142168914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42566.

The product of its digits is 110592, while the sum is 44.

The square root of 8142168914 is about 90233.9676286043. The cubic root of 8142168914 is about 2011.7779137222. Note that the first 3 decimals are identical.

The spelling of 8142168914 in words is "eight billion, one hundred forty-two million, one hundred sixty-eight thousand, nine hundred fourteen".

Divisors: 1 2 11 19 22 38 209 418 463 926 5093 8797 10186 17594 42071 84142 96767 193534 462781 799349 925562 1598698 8792839 17585678 19478873 38957746 214267603 370098587 428535206 740197174 4071084457 8142168914