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2001310020012 = 2237919111052809
BaseRepresentation
bin11101000111110111010…
…111110111000110101100
321002022201201212202120210
4131013313113313012230
5230242140331120022
64131220015142420
7264406220330262
oct35076727670654
97068651782523
102001310020012
11701829372256
12283a4a814a10
13116951a9a044
146cc1485c432
15370d2eeba0c
hex1d1f75f71ac

2001310020012 has 48 divisors (see below), whose sum is σ = 4753592524800. Its totient is φ = 655210458240.

The previous prime is 2001310020001. The next prime is 2001310020019. The reversal of 2001310020012 is 2100200131002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2001310020012.

It is not an unprimeable number, because it can be changed into a prime (2001310020019) 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, 5345337 + ... + 5707472.

It is an arithmetic number, because the mean of its divisors is an integer number (99033177600).

Almost surely, 22001310020012 is an apocalyptic number.

It is an amenable number.

2001310020012 is an abundant number, since it is smaller than the sum of its proper divisors (2752282504788).

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

2001310020012 is a wasteful number, since it uses less digits than its factorization.

2001310020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11053086 (or 11053084 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2001310020012 its reverse (2100200131002), we get a palindrome (4101510151014).

The spelling of 2001310020012 in words is "two trillion, one billion, three hundred ten million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 79 158 191 237 316 382 474 573 764 948 1146 2292 15089 30178 45267 60356 90534 181068 11052809 22105618 33158427 44211236 66316854 132633708 873171911 1746343822 2111086519 2619515733 3492687644 4222173038 5239031466 6333259557 8444346076 10478062932 12666519114 25333038228 166775835001 333551670002 500327505003 667103340004 1000655010006 2001310020012