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14142030021 = 327224476667
BaseRepresentation
bin11010010101110111…
…00100000011000101
31100111120201120010200
431022323210003011
5212430324430041
610255144441113
71010311162140
oct151273440305
940446646120
1014142030021
115aa7897519
1228a8179199
131444b7a202
149822c9057
1557b83b1b6
hex34aee40c5

14142030021 has 12 divisors (see below), whose sum is σ = 23345573472. Its totient is φ = 8081159976.

The previous prime is 14142030013. The next prime is 14142030043. The reversal of 14142030021 is 12003024141.

It is not a de Polignac number, because 14142030021 - 23 = 14142030013 is a prime.

It is a super-2 number, since 2×141420300212 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14142029976 and 14142030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14142030521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112238271 + ... + 112238396.

It is an arithmetic number, because the mean of its divisors is an integer number (1945464456).

Almost surely, 214142030021 is an apocalyptic number.

It is an amenable number.

14142030021 is a deficient number, since it is larger than the sum of its proper divisors (9203543451).

14142030021 is a wasteful number, since it uses less digits than its factorization.

14142030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224476680 (or 224476677 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 14142030021 its reverse (12003024141), we get a palindrome (26145054162).

The spelling of 14142030021 in words is "fourteen billion, one hundred forty-two million, thirty thousand, twenty-one".

Divisors: 1 3 7 9 21 63 224476667 673430001 1571336669 2020290003 4714010007 14142030021