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2042143193 = 9059225427
BaseRepresentation
bin111100110111000…
…1010000111011001
312021022122121211002
41321232022013121
513140242040233
6534350114345
7101414634146
oct17156120731
95238577732
102042143193
11958811452
1248baab9b5
1326711156c
141553093cd
15be4396e8
hex79b8a1d9

2042143193 has 4 divisors (see below), whose sum is σ = 2042377680. Its totient is φ = 2041908708.

The previous prime is 2042143153. The next prime is 2042143217. The reversal of 2042143193 is 3913412402.

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 2042143193 - 212 = 2042139097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042143153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103655 + ... + 121772.

It is an arithmetic number, because the mean of its divisors is an integer number (510594420).

Almost surely, 22042143193 is an apocalyptic number.

It is an amenable number.

2042143193 is a deficient number, since it is larger than the sum of its proper divisors (234487).

2042143193 is an equidigital number, since it uses as much as digits as its factorization.

2042143193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234486.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2042143193 is about 45190.0784796840. The cubic root of 2042143193 is about 1268.7091256603.

Adding to 2042143193 its reverse (3913412402), we get a palindrome (5955555595).

The spelling of 2042143193 in words is "two billion, forty-two million, one hundred forty-three thousand, one hundred ninety-three".

Divisors: 1 9059 225427 2042143193