Search a number
-
+
2042243413 = 7252179997
BaseRepresentation
bin111100110111010…
…0010100101010101
312021022211201021221
41321232202211111
513140303242123
6534352210341
7101415532300
oct17156424525
95238751257
102042243413
1195887a781
1248bb399b1
13267148072
14155333b37
15be45925d
hex79ba2955

2042243413 has 12 divisors (see below), whose sum is σ = 2380260492. Its totient is φ = 1747112640.

The previous prime is 2042243407. The next prime is 2042243417. The reversal of 2042243413 is 3143422402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 371641284 + 1670602129 = 19278^2 + 40873^2 .

It is not a de Polignac number, because 2042243413 - 25 = 2042243381 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 (2042243417) 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 11 ways as a sum of consecutive naturals, for example, 14470 + ... + 65527.

It is an arithmetic number, because the mean of its divisors is an integer number (198355041).

Almost surely, 22042243413 is an apocalyptic number.

It is an amenable number.

2042243413 is a deficient number, since it is larger than the sum of its proper divisors (338017079).

2042243413 is an equidigital number, since it uses as much as digits as its factorization.

2042243413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80532 (or 80525 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2042243413 is about 45191.1873377985. The cubic root of 2042243413 is about 1268.7298796651.

Adding to 2042243413 its reverse (3143422402), we get a palindrome (5185665815).

The spelling of 2042243413 in words is "two billion, forty-two million, two hundred forty-three thousand, four hundred thirteen".

Divisors: 1 7 49 521 3647 25529 79997 559979 3919853 41678437 291749059 2042243413