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10442011021 = 131332760271
BaseRepresentation
bin10011011100110010…
…00111000110001101
3222221201111010020221
421232121013012031
5132341123323041
64444052311341
7516522425551
oct115631070615
928851433227
1010442011021
114479274482
122035012551
13ca544aa60
14710b41861
15411abe2d1
hex26e64718d

10442011021 has 8 divisors (see below), whose sum is σ = 11246273024. Its totient is φ = 9637896240.

The previous prime is 10442010977. The next prime is 10442011043. The reversal of 10442011021 is 12011024401.

It is a happy number.

10442011021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10442011021 - 219 = 10441486733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10442010986 and 10442011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10442071021) 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, 143116 + ... + 203386.

It is an arithmetic number, because the mean of its divisors is an integer number (1405784128).

Almost surely, 210442011021 is an apocalyptic number.

It is an amenable number.

10442011021 is a deficient number, since it is larger than the sum of its proper divisors (804262003).

10442011021 is a wasteful number, since it uses less digits than its factorization.

10442011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73611.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10442011021 its reverse (12011024401), we get a palindrome (22453035422).

The spelling of 10442011021 in words is "ten billion, four hundred forty-two million, eleven thousand, twenty-one".

Divisors: 1 13 13327 60271 173251 783523 803231617 10442011021