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116543143 = 176855479
BaseRepresentation
bin1101111001001…
…00111010100111
322010022000010201
412330210322213
5214313340033
615321531331
72613412633
oct674447247
9263260121
10116543143
115a870652
1233043b47
131b1b6652
1411699dc3
15a37147d
hex6f24ea7

116543143 has 4 divisors (see below), whose sum is σ = 123398640. Its totient is φ = 109687648.

The previous prime is 116543101. The next prime is 116543153. The reversal of 116543143 is 341345611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341345611 = 1181289031.

It is a cyclic number.

It is not a de Polignac number, because 116543143 - 29 = 116542631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116543153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3427723 + ... + 3427756.

It is an arithmetic number, because the mean of its divisors is an integer number (30849660).

Almost surely, 2116543143 is an apocalyptic number.

116543143 is a deficient number, since it is larger than the sum of its proper divisors (6855497).

116543143 is an equidigital number, since it uses as much as digits as its factorization.

116543143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855496.

The product of its digits is 4320, while the sum is 28.

The square root of 116543143 is about 10795.5149483478. The cubic root of 116543143 is about 488.4598915871.

Adding to 116543143 its reverse (341345611), we get a palindrome (457888754).

The spelling of 116543143 in words is "one hundred sixteen million, five hundred forty-three thousand, one hundred forty-three".

Divisors: 1 17 6855479 116543143