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2420143111 = 4435463077
BaseRepresentation
bin1001000001000000…
…0111010000000111
320020122221000020001
42100100013100013
514424024034421
61040052022131
7113654606551
oct22020072007
96218830201
102420143111
111032120381
12576601947
132c751c259
1418d5c44d1
15e2704691
hex90407407

2420143111 has 4 divisors (see below), whose sum is σ = 2425606632. Its totient is φ = 2414679592.

The previous prime is 2420143073. The next prime is 2420143151. The reversal of 2420143111 is 1113410242.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-2420143111 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 (2420143151) 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, 2731096 + ... + 2731981.

It is an arithmetic number, because the mean of its divisors is an integer number (606401658).

Almost surely, 22420143111 is an apocalyptic number.

2420143111 is a deficient number, since it is larger than the sum of its proper divisors (5463521).

2420143111 is an equidigital number, since it uses as much as digits as its factorization.

2420143111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463520.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2420143111 is about 49194.9500558746. The cubic root of 2420143111 is about 1342.6011535756.

Adding to 2420143111 its reverse (1113410242), we get a palindrome (3533553353).

The spelling of 2420143111 in words is "two billion, four hundred twenty million, one hundred forty-three thousand, one hundred eleven".

Divisors: 1 443 5463077 2420143111