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20343242043141 = 3191392125637453
BaseRepresentation
bin1001010000000100001111…
…01101110010111100000101
32200000210110111220221000020
410220002013231302330011
510131300424430340031
6111133320102205353
74166515334163003
oct450020755627405
980023414827006
1020343242043141
11653357a871376
1223467a6723859
13b47489a64204
1450489237ba73
15254293982096
hex128087b72f05

20343242043141 has 16 divisors (see below), whose sum is σ = 28553970767040. Its totient is φ = 12847439946240.

The previous prime is 20343242043097. The next prime is 20343242043221. The reversal of 20343242043141 is 14134024234302.

It is not a de Polignac number, because 20343242043141 - 27 = 20343242043013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343242043941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12025230 + ... + 13612223.

It is an arithmetic number, because the mean of its divisors is an integer number (1784623172940).

Almost surely, 220343242043141 is an apocalyptic number.

It is an amenable number.

20343242043141 is a deficient number, since it is larger than the sum of its proper divisors (8210728723899).

20343242043141 is a wasteful number, since it uses less digits than its factorization.

20343242043141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25651396.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 20343242043141 its reverse (14134024234302), we get a palindrome (34477266277443).

The spelling of 20343242043141 in words is "twenty trillion, three hundred forty-three billion, two hundred forty-two million, forty-three thousand, one hundred forty-one".

Divisors: 1 3 19 57 13921 41763 264499 793497 25637453 76912359 487111607 1461334821 356898983213 1070696949639 6781080681047 20343242043141