Search a number
-
+
2445142142 = 21271396167
BaseRepresentation
bin1001000110111101…
…1110100001111110
320022101222002110002
42101233132201332
520001424022032
61042343514302
7114410236202
oct22157364176
96271862402
102445142142
111045245533
12582a58992
132cc762b91
14192a50b02
15e49e1862
hex91bde87e

2445142142 has 8 divisors (see below), whose sum is σ = 3668039856. Its totient is φ = 1222462192.

The previous prime is 2445142127. The next prime is 2445142159. The reversal of 2445142142 is 2412415442.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22658 + ... + 73509.

It is an arithmetic number, because the mean of its divisors is an integer number (458504982).

Almost surely, 22445142142 is an apocalyptic number.

2445142142 is a deficient number, since it is larger than the sum of its proper divisors (1222897714).

2445142142 is a wasteful number, since it uses less digits than its factorization.

2445142142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108882.

The product of its digits is 10240, while the sum is 29.

The square root of 2445142142 is about 49448.3785578456. The cubic root of 2445142142 is about 1347.2081566500.

Adding to 2445142142 its reverse (2412415442), we get a palindrome (4857557584).

The spelling of 2445142142 in words is "two billion, four hundred forty-five million, one hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 12713 25426 96167 192334 1222571071 2445142142