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10201100011220 = 225510055000561
BaseRepresentation
bin1001010001110010000011…
…1100010100011011010100
31100010012211012101022001002
42110130200330110123110
52314113323100324340
633410153132122432
72102001524262146
oct224344074243324
940105735338032
1010201100011220
1132832980179a8
12118905b906418
1358cc623304c1
14273a43352c96
1512a549c51715
hex94720f146d4

10201100011220 has 12 divisors (see below), whose sum is σ = 21422310023604. Its totient is φ = 4080440004480.

The previous prime is 10201100011187. The next prime is 10201100011303. The reversal of 10201100011220 is 2211000110201.

It can be written as a sum of positive squares in 2 ways, for example, as 8112676172176 + 2088423839044 = 2848276^2 + 1445138^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 255027500261 + ... + 255027500300.

It is an arithmetic number, because the mean of its divisors is an integer number (1785192501967).

Almost surely, 210201100011220 is an apocalyptic number.

10201100011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201100011220 is an abundant number, since it is smaller than the sum of its proper divisors (11221210012384).

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

10201100011220 is a wasteful number, since it uses less digits than its factorization.

10201100011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510055000570 (or 510055000568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10201100011220 its reverse (2211000110201), we get a palindrome (12412100121421).

The spelling of 10201100011220 in words is "ten trillion, two hundred one billion, one hundred million, eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 510055000561 1020110001122 2040220002244 2550275002805 5100550005610 10201100011220