Search a number
-
+
3420543143 = 15721786899
BaseRepresentation
bin1100101111100001…
…0101100010100111
322211101100121002002
43023320111202213
524001124340033
61323230035515
7150523064663
oct31370254247
98741317062
103420543143
1114a5897766
127b5648b9b
13426869534
142463d78a3
151504643e8
hexcbe158a7

3420543143 has 4 divisors (see below), whose sum is σ = 3442330200. Its totient is φ = 3398756088.

The previous prime is 3420543103. The next prime is 3420543149. The reversal of 3420543143 is 3413450243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413450243 = 7487635749.

It is a cyclic number.

It is not a de Polignac number, because 3420543143 - 210 = 3420542119 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 (3420543149) 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, 10893293 + ... + 10893606.

It is an arithmetic number, because the mean of its divisors is an integer number (860582550).

Almost surely, 23420543143 is an apocalyptic number.

3420543143 is a deficient number, since it is larger than the sum of its proper divisors (21787057).

3420543143 is a wasteful number, since it uses less digits than its factorization.

3420543143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21787056.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 3420543143 is about 58485.4096591620. The cubic root of 3420543143 is about 1506.7170085956.

Adding to 3420543143 its reverse (3413450243), we get a palindrome (6833993386).

The spelling of 3420543143 in words is "three billion, four hundred twenty million, five hundred forty-three thousand, one hundred forty-three".

Divisors: 1 157 21786899 3420543143