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11224412020 = 225561220601
BaseRepresentation
bin10100111010000011…
…01110111101110100
31001222020201012122201
422131001232331310
5140441422141040
65053442034244
7545102633203
oct123501567564
931866635581
1011224412020
11483a984978
122213048984
13109b57b323
14786a0923a
1545a61ba9a
hex29d06ef74

11224412020 has 12 divisors (see below), whose sum is σ = 23571265284. Its totient is φ = 4489764800.

The previous prime is 11224412009. The next prime is 11224412047. The reversal of 11224412020 is 2021442211.

It can be written as a sum of positive squares in 2 ways, for example, as 7043237776 + 4181174244 = 83924^2 + 64662^2 .

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, 280610281 + ... + 280610320.

It is an arithmetic number, because the mean of its divisors is an integer number (1964272107).

Almost surely, 211224412020 is an apocalyptic number.

11224412020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11224412020 is an abundant number, since it is smaller than the sum of its proper divisors (12346853264).

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

11224412020 is a wasteful number, since it uses less digits than its factorization.

11224412020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561220610 (or 561220608 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11224412020 its reverse (2021442211), we get a palindrome (13245854231).

The spelling of 11224412020 in words is "eleven billion, two hundred twenty-four million, four hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 561220601 1122441202 2244882404 2806103005 5612206010 11224412020