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2442142442 = 26120017561
BaseRepresentation
bin1001000110010000…
…0010001011101010
320022012022200122002
42101210002023222
520000142024232
61042155331002
7114342603545
oct22144021352
96265280562
102442142442
111043586843
12581a50a62
132cbc526cc
141924ad85c
15e45ecb62
hex919022ea

2442142442 has 8 divisors (see below), whose sum is σ = 3723266532. Its totient is φ = 1201053600.

The previous prime is 2442142441. The next prime is 2442142453. The reversal of 2442142442 is 2442412442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2431377481 + 10764961 = 49309^2 + 3281^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2442142441) 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, 10008659 + ... + 10008902.

Almost surely, 22442142442 is an apocalyptic number.

2442142442 is a deficient number, since it is larger than the sum of its proper divisors (1281124090).

2442142442 is a wasteful number, since it uses less digits than its factorization.

2442142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20017624.

The product of its digits is 16384, while the sum is 29.

The square root of 2442142442 is about 49418.0376178577. The cubic root of 2442142442 is about 1346.6570129551.

Adding to 2442142442 its reverse (2442412442), we get a palindrome (4884554884).

The spelling of 2442142442 in words is "two billion, four hundred forty-two million, one hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 61 122 20017561 40035122 1221071221 2442142442