Search a number
-
+
2103435143 = 17421293899
BaseRepresentation
bin111110101011111…
…1101111110000111
312102120222120120022
41331113331332013
513301434411033
6544415525355
7103060621655
oct17527757607
95376876508
102103435143
1198a374a57
124a852985b
13276a215a4
1415d501dd5
15c49e5098
hex7d5fdf87

2103435143 has 8 divisors (see below), whose sum is σ = 2232464400. Its totient is φ = 1974994560.

The previous prime is 2103435121. The next prime is 2103435149. The reversal of 2103435143 is 3415343012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103435143 - 212 = 2103431047 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 (2103435149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139793 + ... + 154106.

It is an arithmetic number, because the mean of its divisors is an integer number (279058050).

Almost surely, 22103435143 is an apocalyptic number.

2103435143 is a deficient number, since it is larger than the sum of its proper divisors (129029257).

2103435143 is a wasteful number, since it uses less digits than its factorization.

2103435143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294337.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2103435143 is about 45863.2221175094. Note that the first 3 decimals coincide. The cubic root of 2103435143 is about 1281.2770342168.

Adding to 2103435143 its reverse (3415343012), we get a palindrome (5518778155).

The spelling of 2103435143 in words is "two billion, one hundred three million, four hundred thirty-five thousand, one hundred forty-three".

Divisors: 1 17 421 7157 293899 4996283 123731479 2103435143