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14043221420 = 2251078217993
BaseRepresentation
bin11010001010000101…
…01000110110101100
31100020200210120012212
431011002220312230
5212230031041140
610241254545552
71005001261334
oct150502506654
940220716185
1014043221420
115a5703a118
12287b0682b8
13142a562a97
149731280c4
15572d1e765
hex3450a8dac

14043221420 has 48 divisors (see below), whose sum is σ = 29806364448. Its totient is φ = 5557317120.

The previous prime is 14043221383. The next prime is 14043221443. The reversal of 14043221420 is 2412234041.

It is a super-2 number, since 2×140432214202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752944 + ... + 1760936.

It is an arithmetic number, because the mean of its divisors is an integer number (620965926).

Almost surely, 214043221420 is an apocalyptic number.

14043221420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14043221420 is an abundant number, since it is smaller than the sum of its proper divisors (15763143028).

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

14043221420 is a wasteful number, since it uses less digits than its factorization.

14043221420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8930 (or 8928 counting only the distinct ones).

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

Adding to 14043221420 its reverse (2412234041), we get a palindrome (16455455461).

The spelling of 14043221420 in words is "fourteen billion, forty-three million, two hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 821 1070 1642 2140 3284 4105 7993 8210 15986 16420 31972 39965 79930 87847 159860 175694 351388 439235 855251 878470 1710502 1756940 3421004 4276255 6562253 8552510 13124506 17105020 26249012 32811265 65622530 131245060 702161071 1404322142 2808644284 3510805355 7021610710 14043221420