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2013243104420 = 225100662155221
BaseRepresentation
bin11101010010111110101…
…000111101110010100100
321010110112101002020222222
4131102332220331302210
5230441110213320140
64140512054411512
7265311020014652
oct35227650756244
97113471066888
102013243104420
117068a227a189
1228621b060b98
13117b04102c32
146d62761bdd2
15375809505b5
hex1d4bea3dca4

2013243104420 has 12 divisors (see below), whose sum is σ = 4227810519324. Its totient is φ = 805297241760.

The previous prime is 2013243104393. The next prime is 2013243104479. The reversal of 2013243104420 is 244013423102.

It can be written as a sum of positive squares in 2 ways, for example, as 288102709504 + 1725140394916 = 536752^2 + 1313446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2013243104420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50331077591 + ... + 50331077630.

It is an arithmetic number, because the mean of its divisors is an integer number (352317543277).

Almost surely, 22013243104420 is an apocalyptic number.

2013243104420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013243104420 is an abundant number, since it is smaller than the sum of its proper divisors (2214567414904).

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

2013243104420 is a wasteful number, since it uses less digits than its factorization.

2013243104420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100662155230 (or 100662155228 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2013243104420 its reverse (244013423102), we get a palindrome (2257256527522).

The spelling of 2013243104420 in words is "two trillion, thirteen billion, two hundred forty-three million, one hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 100662155221 201324310442 402648620884 503310776105 1006621552210 2013243104420