Search a number
-
+
242444342021 = 7221231565561
BaseRepresentation
bin1110000111001011001…
…1110001001100000101
3212011210100210122212212
43201302303301030011
512433011222421041
6303213303353205
723341665622250
oct3416263611405
9764710718785
10242444342021
1193902568612
123aba2152805
1319b2991435b
14ba3d172097
15648e8408eb
hex3872cf1305

242444342021 has 8 divisors (see below), whose sum is σ = 277091949504. Its totient is φ = 207799909920.

The previous prime is 242444342003. The next prime is 242444342029. The reversal of 242444342021 is 120243444242.

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 242444342021 - 26 = 242444341957 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 (242444342029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627920 + ... + 937641.

It is an arithmetic number, because the mean of its divisors is an integer number (34636493688).

Almost surely, 2242444342021 is an apocalyptic number.

It is an amenable number.

242444342021 is a deficient number, since it is larger than the sum of its proper divisors (34647607483).

242444342021 is a wasteful number, since it uses less digits than its factorization.

242444342021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587691.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 242444342021 its reverse (120243444242), we get a palindrome (362687786263).

The spelling of 242444342021 in words is "two hundred forty-two billion, four hundred forty-four million, three hundred forty-two thousand, twenty-one".

Divisors: 1 7 22123 154861 1565561 10958927 34634906003 242444342021