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2231002101200 = 24525577505253
BaseRepresentation
bin100000011101110010000…
…101100111010111010000
321220021121101001110020212
4200131302011213113100
5243023043014214300
64424524101423252
7320120211652535
oct40356205472720
97807541043225
102231002101200
11790187584524
1230047210ab28
131324c8740012
1479da4112d8c
153d078024935
hex207721675d0

2231002101200 has 30 divisors (see below), whose sum is σ = 5359982549094. Its totient is φ = 892400840320.

The previous prime is 2231002101197. The next prime is 2231002101247. The reversal of 2231002101200 is 21012001322.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3290628496 + 2227711472704 = 57364^2 + 1492552^2 .

It is a super-3 number, since 3×22310021012003 (a number of 38 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 2788752227 + ... + 2788753026.

Almost surely, 22231002101200 is an apocalyptic number.

2231002101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231002101200 is an abundant number, since it is smaller than the sum of its proper divisors (3128980447894).

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

2231002101200 is a wasteful number, since it uses less digits than its factorization.

2231002101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577505271 (or 5577505260 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2231002101200 its reverse (21012001322), we get a palindrome (2252014102522).

The spelling of 2231002101200 in words is "two trillion, two hundred thirty-one billion, two million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 5577505253 11155010506 22310021012 27887526265 44620042024 55775052530 89240084048 111550105060 139437631325 223100210120 278875262650 446200420240 557750525300 1115501050600 2231002101200