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10442040143 = 46722359829
BaseRepresentation
bin10011011100110010…
…01110001101001111
3222221201112121012112
421232121032031033
5132341130241033
64444053054235
7516522606503
oct115631161517
928851477175
1010442040143
114479294347
12203502737b
13ca545b0a2
14710b4c303
15411ac7c48
hex26e64e34f

10442040143 has 4 divisors (see below), whose sum is σ = 10464400440. Its totient is φ = 10419679848.

The previous prime is 10442040139. The next prime is 10442040209. The reversal of 10442040143 is 34104024401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34104024401 = 85133400597.

It is a cyclic number.

It is not a de Polignac number, because 10442040143 - 22 = 10442040139 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 (10442040113) 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, 11179448 + ... + 11180381.

It is an arithmetic number, because the mean of its divisors is an integer number (2616100110).

Almost surely, 210442040143 is an apocalyptic number.

10442040143 is a deficient number, since it is larger than the sum of its proper divisors (22360297).

10442040143 is an equidigital number, since it uses as much as digits as its factorization.

10442040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360296.

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

Adding to 10442040143 its reverse (34104024401), we get a palindrome (44546064544).

The spelling of 10442040143 in words is "ten billion, four hundred forty-two million, forty thousand, one hundred forty-three".

Divisors: 1 467 22359829 10442040143