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8142874886 = 24071437443
BaseRepresentation
bin1111001010101101…
…00110100100000110
3210000111020220101202
413211112212210012
5113134033444021
63424002022502
7405534203006
oct74526464406
923014226352
108142874886
1134a9493473
1216b3047a32
139ca018b83
1457365a006
15329d1da0b
hex1e55a6906

8142874886 has 4 divisors (see below), whose sum is σ = 12214312332. Its totient is φ = 4071437442.

The previous prime is 8142874877. The next prime is 8142874889. The reversal of 8142874886 is 6884782418.

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

It is a super-2 number, since 2×81428748862 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142874889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035718720 + ... + 2035718723.

It is an arithmetic number, because the mean of its divisors is an integer number (3053578083).

Almost surely, 28142874886 is an apocalyptic number.

8142874886 is a deficient number, since it is larger than the sum of its proper divisors (4071437446).

8142874886 is a wasteful number, since it uses less digits than its factorization.

8142874886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071437445.

The product of its digits is 5505024, while the sum is 56.

The square root of 8142874886 is about 90237.8794409532. The cubic root of 8142874886 is about 2011.8360562084.

The spelling of 8142874886 in words is "eight billion, one hundred forty-two million, eight hundred seventy-four thousand, eight hundred eighty-six".

Divisors: 1 2 4071437443 8142874886