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242435331521 = 478957957287
BaseRepresentation
bin1110000111001001000…
…1011001010111000001
3212011202201211212210122
43201302101121113001
512433001421102041
6303212342310025
723341526213465
oct3416221312701
9764681755718
10242435331521
11938a8473919
123ab9b128315
1319b27aaacb6
14ba3bca84a5
15648db60c4b
hex38724595c1

242435331521 has 8 divisors (see below), whose sum is σ = 250375484160. Its totient is φ = 234611093728.

The previous prime is 242435331503. The next prime is 242435331557. The reversal of 242435331521 is 125133534242.

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 242435331521 - 210 = 242435330497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242435331571) 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 7 ways as a sum of consecutive naturals, for example, 28974461 + ... + 28982826.

It is an arithmetic number, because the mean of its divisors is an integer number (31296935520).

Almost surely, 2242435331521 is an apocalyptic number.

It is an amenable number.

242435331521 is a deficient number, since it is larger than the sum of its proper divisors (7940152639).

242435331521 is an equidigital number, since it uses as much as digits as its factorization.

242435331521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57957423.

The product of its digits is 86400, while the sum is 35.

Adding to 242435331521 its reverse (125133534242), we get a palindrome (367568865763).

The spelling of 242435331521 in words is "two hundred forty-two billion, four hundred thirty-five million, three hundred thirty-one thousand, five hundred twenty-one".

Divisors: 1 47 89 4183 57957287 2723992489 5158198543 242435331521