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242010042431 = 2221371089463
BaseRepresentation
bin1110000101100011101…
…1000011000000111111
3212010200002120221211212
43201120323003000333
512431114032324211
6303102231035035
723325143263553
oct3413073030077
9763602527755
10242010042431
11936aa3a5933
123aaa080ba7b
1319a8a953a51
14b9db5dd863
15646665438b
hex3858ec303f

242010042431 has 4 divisors (see below), whose sum is σ = 242011354032. Its totient is φ = 242008730832.

The previous prime is 242010042377. The next prime is 242010042509. The reversal of 242010042431 is 134240010242.

242010042431 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 is a cyclic number.

It is not a de Polignac number, because 242010042431 - 210 = 242010041407 is a prime.

It is a super-2 number, since 2×2420100424312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242010042397 and 242010042406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242016042431) 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, 322595 + ... + 766868.

It is an arithmetic number, because the mean of its divisors is an integer number (60502838508).

Almost surely, 2242010042431 is an apocalyptic number.

242010042431 is a deficient number, since it is larger than the sum of its proper divisors (1311601).

242010042431 is a wasteful number, since it uses less digits than its factorization.

242010042431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311600.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 242010042431 its reverse (134240010242), we get a palindrome (376250052673).

The spelling of 242010042431 in words is "two hundred forty-two billion, ten million, forty-two thousand, four hundred thirty-one".

Divisors: 1 222137 1089463 242010042431