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20050010331145 = 523508734273229
BaseRepresentation
bin1001000111100010000011…
…01111100101100000001001
32121222202120200201112221121
410203301001233211200021
510111444410121044040
6110350503025035241
74136364642563404
oct443610157454011
977882520645847
1020050010331145
116430186147023
1222b99aba85b21
13b2592822cc62
144d45d60bad3b
1524b8305bbc4a
hex123c41be5809

20050010331145 has 16 divisors (see below), whose sum is σ = 25111035970560. Its totient is φ = 15339600109504.

The previous prime is 20050010331083. The next prime is 20050010331149. The reversal of 20050010331145 is 54113301005002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20050010331145 - 243 = 11253917308937 is a prime.

It is a super-3 number, since 3×200500103311453 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20050010331149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16551610 + ... + 17721619.

It is an arithmetic number, because the mean of its divisors is an integer number (1569439748160).

Almost surely, 220050010331145 is an apocalyptic number.

It is an amenable number.

20050010331145 is a deficient number, since it is larger than the sum of its proper divisors (5061025639415).

20050010331145 is a wasteful number, since it uses less digits than its factorization.

20050010331145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34278344.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 20050010331145 its reverse (54113301005002), we get a palindrome (74163311336147).

The spelling of 20050010331145 in words is "twenty trillion, fifty billion, ten million, three hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 5 23 115 5087 25435 117001 585005 34273229 171366145 788284267 3941421335 174347915923 871739579615 4010002066229 20050010331145