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2201101142420 = 225877125490373
BaseRepresentation
bin100000000001111011110…
…110100000100110010100
321210102102112010100220002
4200001323312200212110
5242030323343024140
64403101044230432
7315011224003565
oct40017366404624
97712375110802
102201101142420
11779533237644
122b670839b418
1312c741a441bb
1478768cca16c
153c3c7e61415
hex2007bda0994

2201101142420 has 24 divisors (see below), whose sum is σ = 4627583031624. Its totient is φ = 879436526976.

The previous prime is 2201101142417. The next prime is 2201101142453. The reversal of 2201101142420 is 242411011022.

It can be written as a sum of positive squares in 4 ways, for example, as 577581760144 + 1623519382276 = 759988^2 + 1274174^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2201101142392 and 2201101142401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62727647 + ... + 62762726.

It is an arithmetic number, because the mean of its divisors is an integer number (192815959651).

Almost surely, 22201101142420 is an apocalyptic number.

2201101142420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201101142420 is an abundant number, since it is smaller than the sum of its proper divisors (2426481889204).

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

2201101142420 is a wasteful number, since it uses less digits than its factorization.

2201101142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125491259 (or 125491257 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2201101142420 its reverse (242411011022), we get a palindrome (2443512153442).

The spelling of 2201101142420 in words is "two trillion, two hundred one billion, one hundred one million, one hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 877 1754 3508 4385 8770 17540 125490373 250980746 501961492 627451865 1254903730 2509807460 110055057121 220110114242 440220228484 550275285605 1100550571210 2201101142420