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213013311002020 = 225373162717550131
BaseRepresentation
bin110000011011110000000110…
…101111000001010110100100
31000221012212120220010112212201
4300123300012233001112210
5210410002230104031040
62033012544131024244
762603463264615244
oct6033600657012644
91027185526115781
10213013311002020
116196648a8a6961
121ba834a6a3b084
1391b20b8899749
143a85c8380db24
151995e7210ba9a
hexc1bc06bc15a4

213013311002020 has 48 divisors (see below), whose sum is σ = 448802926786368. Its totient is φ = 84924657866880.

The previous prime is 213013311001993. The next prime is 213013311002029. The reversal of 213013311002020 is 20200113310312.

It is not an unprimeable number, because it can be changed into a prime (213013311002029) 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, 3362355 + ... + 20912485.

It is an arithmetic number, because the mean of its divisors is an integer number (9350060974716).

Almost surely, 2213013311002020 is an apocalyptic number.

213013311002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213013311002020 is an abundant number, since it is smaller than the sum of its proper divisors (235789615784348).

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

213013311002020 is a wasteful number, since it uses less digits than its factorization.

213013311002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552140 (or 17552138 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213013311002020 its reverse (20200113310312), we get a palindrome (233213424312332).

The spelling of 213013311002020 in words is "two hundred thirteen trillion, thirteen billion, three hundred eleven million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 373 746 1492 1627 1865 3254 3730 6508 7460 8135 16270 32540 606871 1213742 2427484 3034355 6068710 12137420 17550131 35100262 70200524 87750655 175501310 351002620 6546198863 13092397726 26184795452 28554063137 32730994315 57108126274 65461988630 114216252548 130923977260 142770315685 285540631370 571081262740 10650665550101 21301331100202 42602662200404 53253327750505 106506655501010 213013311002020