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20012313101140 = 2251000615655057
BaseRepresentation
bin1001000110011011110101…
…10100000100001101010100
32121212011021111201212000201
410203031322310010031110
510110340204123214030
6110321310230350244
74133561526451633
oct443157264041524
977764244655021
1020012313101140
1164161a1031188
1222b262b1bb384
13b221cb2825b9
144d285b69d51a
1524a875d522ca
hex12337ad04354

20012313101140 has 12 divisors (see below), whose sum is σ = 42025857512436. Its totient is φ = 8004925240448.

The previous prime is 20012313101129. The next prime is 20012313101213. The reversal of 20012313101140 is 4110131321002.

It can be written as a sum of positive squares in 2 ways, for example, as 12115662331536 + 7896650769604 = 3480756^2 + 2810098^2 .

It is a super-3 number, since 3×200123131011403 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500307827509 + ... + 500307827548.

It is an arithmetic number, because the mean of its divisors is an integer number (3502154792703).

Almost surely, 220012313101140 is an apocalyptic number.

20012313101140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012313101140 is an abundant number, since it is smaller than the sum of its proper divisors (22013544411296).

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

20012313101140 is a wasteful number, since it uses less digits than its factorization.

20012313101140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000615655066 (or 1000615655064 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20012313101140 its reverse (4110131321002), we get a palindrome (24122444422142).

The spelling of 20012313101140 in words is "twenty trillion, twelve billion, three hundred thirteen million, one hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1000615655057 2001231310114 4002462620228 5003078275285 10006156550570 20012313101140