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1143430193 = 5232186291
BaseRepresentation
bin100010000100111…
…0101110000110001
32221200120021100102
41010021311300301
54320204231233
6305243402145
740222665503
oct10411656061
92850507312
101143430193
11537489034
1227ab23355
13152b78919
14abc05d73
156a5b41e8
hex44275c31

1143430193 has 4 divisors (see below), whose sum is σ = 1145617008. Its totient is φ = 1141243380.

The previous prime is 1143430159. The next prime is 1143430219. The reversal of 1143430193 is 3910343411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143430193 - 214 = 1143413809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143430153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092623 + ... + 1093668.

It is an arithmetic number, because the mean of its divisors is an integer number (286404252).

Almost surely, 21143430193 is an apocalyptic number.

It is an amenable number.

1143430193 is a deficient number, since it is larger than the sum of its proper divisors (2186815).

1143430193 is an equidigital number, since it uses as much as digits as its factorization.

1143430193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186814.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1143430193 is about 33814.6446528719. The cubic root of 1143430193 is about 1045.6906350887.

The spelling of 1143430193 in words is "one billion, one hundred forty-three million, four hundred thirty thousand, one hundred ninety-three".

Divisors: 1 523 2186291 1143430193