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14212121320 = 235477559639
BaseRepresentation
bin11010011110001101…
…11100001011101000
31100200110121120022201
431033012330023220
5213101300340240
610310131025544
71012122016015
oct151706741350
940613546281
1014212121320
116033410111
12290773b2b4
13145654b457
1498b73270c
15582a83d9a
hex34f1bc2e8

14212121320 has 32 divisors (see below), whose sum is σ = 32657644800. Its totient is φ = 5563893568.

The previous prime is 14212121293. The next prime is 14212121323. The reversal of 14212121320 is 2312121241.

It is not an unprimeable number, because it can be changed into a prime (14212121323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777940 + ... + 3781699.

It is an arithmetic number, because the mean of its divisors is an integer number (1020551400).

Almost surely, 214212121320 is an apocalyptic number.

14212121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14212121320 is an abundant number, since it is smaller than the sum of its proper divisors (18445523480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14212121320 is a wasteful number, since it uses less digits than its factorization.

14212121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559697 (or 7559693 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 14212121320 its reverse (2312121241), we get a palindrome (16524242561).

The spelling of 14212121320 in words is "fourteen billion, two hundred twelve million, one hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 7559639 15119278 30238556 37798195 60477112 75596390 151192780 302385560 355303033 710606066 1421212132 1776515165 2842424264 3553030330 7106060660 14212121320