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242122144001 = 421575111981
BaseRepresentation
bin1110000101111110011…
…0101011100100000001
3212010221220112022021212
43201133212223210001
512431331232102001
6303121313455505
723331004160363
oct3413746534401
9763856468255
10242122144001
1193757702461
123ab12271595
1319aa7c4383a
14ba0c460d33
1564713e97bb
hex385f9ab901

242122144001 has 4 divisors (see below), whose sum is σ = 242697256404. Its totient is φ = 241547031600.

The previous prime is 242122143979. The next prime is 242122144039. The reversal of 242122144001 is 100441221242.

242122144001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40632480625 + 201489663376 = 201575^2 + 448876^2 .

It is a cyclic number.

It is not a de Polignac number, because 242122144001 - 26 = 242122143937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242122144301) by changing a digit.

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, 287555570 + ... + 287556411.

It is an arithmetic number, because the mean of its divisors is an integer number (60674314101).

Almost surely, 2242122144001 is an apocalyptic number.

It is an amenable number.

242122144001 is a deficient number, since it is larger than the sum of its proper divisors (575112403).

242122144001 is an equidigital number, since it uses as much as digits as its factorization.

242122144001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575112402.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 242122144001 its reverse (100441221242), we get a palindrome (342563365243).

The spelling of 242122144001 in words is "two hundred forty-two billion, one hundred twenty-two million, one hundred forty-four thousand, one".

Divisors: 1 421 575111981 242122144001