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20117073442361 = 770125469160967
BaseRepresentation
bin1001001001011110111110…
…00001000011011000111001
32122020011200102210120210112
410210233133001003120321
510114044231300123421
6110441353404154105
74144260555613160
oct444573701033071
978204612716715
1020117073442361
11645666a564085
12230a9a7238935
13b2c05508c19c
144d7958a383d7
1524d457e5345b
hex124bdf043639

20117073442361 has 16 divisors (see below), whose sum is σ = 23024785455360. Its totient is φ = 17217824769600.

The previous prime is 20117073442331. The next prime is 20117073442369. The reversal of 20117073442361 is 16324437071102.

It is not a de Polignac number, because 20117073442361 - 238 = 19842195535417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20117073442369) 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, 124895900 + ... + 125056866.

It is an arithmetic number, because the mean of its divisors is an integer number (1439049090960).

Almost surely, 220117073442361 is an apocalyptic number.

It is an amenable number.

20117073442361 is a deficient number, since it is larger than the sum of its proper divisors (2907712012999).

20117073442361 is a wasteful number, since it uses less digits than its factorization.

20117073442361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187144.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 20117073442361 in words is "twenty trillion, one hundred seventeen billion, seventy-three million, four hundred forty-two thousand, three hundred sixty-one".

Divisors: 1 7 701 4907 25469 160967 178283 1126769 17853769 112837867 124976383 789865069 4099668523 28697679661 2873867634623 20117073442361