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42442142102023 = 1373472819316703
BaseRepresentation
bin10011010011001110101001…
…10011011011001000000111
312120021102120212010211022211
421221213110303123020013
521030333001334231043
6230133352333004251
711640225563312026
oct1151472463331007
9176242525124284
1042442142102023
111258367a830244
1249156a3623687
131a8b37a25bac1
14a6a2d3dc48bd
154d903e1aba9d
hex2699d4cdb207

42442142102023 has 16 divisors (see below), whose sum is σ = 42890487966720. Its totient is φ = 41995891201216.

The previous prime is 42442142101981. The next prime is 42442142102047. The reversal of 42442142102023 is 32020124124424.

42442142102023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42442142102023 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 (42442442102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133854090 + ... + 134170792.

It is an arithmetic number, because the mean of its divisors is an integer number (2680655497920).

Almost surely, 242442142102023 is an apocalyptic number.

42442142102023 is a deficient number, since it is larger than the sum of its proper divisors (448345864697).

42442142102023 is a wasteful number, since it uses less digits than its factorization.

42442142102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320006.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 42442142102023 its reverse (32020124124424), we get a palindrome (74462266226447).

The spelling of 42442142102023 in words is "forty-two trillion, four hundred forty-two billion, one hundred forty-two million, one hundred two thousand, twenty-three".

Divisors: 1 137 347 2819 47539 316703 386203 978193 43388311 109895941 134012441 892785757 15055743917 122311648709 309796657679 42442142102023