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8131884143 is a prime number
BaseRepresentation
bin1111001001011001…
…01011010001101111
3202222201120111221012
413210230223101233
5113123230243033
63422530255435
7405341606015
oct74454532157
922881514835
108131884143
1134a3266a09
1216ab42757b
139c796b386
14571dd88b5
15328d9c248
hex1e4b2b46f

8131884143 has 2 divisors, whose sum is σ = 8131884144. Its totient is φ = 8131884142.

The previous prime is 8131884121. The next prime is 8131884149. The reversal of 8131884143 is 3414881318.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8131884143 - 214 = 8131867759 is a prime.

It is a super-2 number, since 2×81318841432 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8131884143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8131884149) by changing a digit.

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, 4065942071 + 4065942072.

It is an arithmetic number, because the mean of its divisors is an integer number (4065942072).

Almost surely, 28131884143 is an apocalyptic number.

8131884143 is a deficient number, since it is larger than the sum of its proper divisors (1).

8131884143 is an equidigital number, since it uses as much as digits as its factorization.

8131884143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 41.

The square root of 8131884143 is about 90176.9601561286. The cubic root of 8131884143 is about 2010.9304985235.

The spelling of 8131884143 in words is "eight billion, one hundred thirty-one million, eight hundred eighty-four thousand, one hundred forty-three".