Search a number
-
+
20130002310020 = 2252353825676879
BaseRepresentation
bin1001001001110111000011…
…01000110001001110000100
32122021102001110202010000212
410210323201220301032010
510114302221042410040
6110451332334454552
74145226136306661
oct444734150611604
978242043663025
1020130002310020
1164610a4574779
1223113b5064458
13b303357b6b35
144d8423b68a68
1524d963003d65
hex124ee1a31384

20130002310020 has 48 divisors (see below), whose sum is σ = 44943243932160. Its totient is φ = 7556594787456.

The previous prime is 20130002309987. The next prime is 20130002310049. The reversal of 20130002310020 is 2001320003102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20130002309977 and 20130002310004.

It is an unprimeable number.

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, 412814060 + ... + 412862819.

It is an arithmetic number, because the mean of its divisors is an integer number (936317581920).

Almost surely, 220130002310020 is an apocalyptic number.

20130002310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130002310020 is an abundant number, since it is smaller than the sum of its proper divisors (24813241622140).

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

20130002310020 is a wasteful number, since it uses less digits than its factorization.

20130002310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825676964 (or 825676962 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20130002310020 its reverse (2001320003102), we get a palindrome (22131322313122).

The spelling of 20130002310020 in words is "twenty trillion, one hundred thirty billion, two million, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 53 92 106 115 212 230 265 460 530 1060 1219 2438 4876 6095 12190 24380 825676879 1651353758 3302707516 4128384395 8256768790 16513537580 18990568217 37981136434 43760874587 75962272868 87521749174 94952841085 175043498348 189905682170 218804372935 379811364340 437608745870 875217491740 1006500115501 2013000231002 4026000462004 5032500577505 10065001155010 20130002310020