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1322432433220 = 22566121621661
BaseRepresentation
bin10011001111100111000…
…111011000110001000100
311200102102120221010120011
4103033213013120301010
5133131320200330340
62451303404320004
7164354052133333
oct23174707306104
94612376833504
101322432433220
1146a9276a62a8
12194367b43004
1397921705372
1448012933d1a
15245ed4c20ea
hex133e71d8c44

1322432433220 has 12 divisors (see below), whose sum is σ = 2777108109804. Its totient is φ = 528972973280.

The previous prime is 1322432433151. The next prime is 1322432433221. The reversal of 1322432433220 is 223342342231.

It can be written as a sum of positive squares in 2 ways, for example, as 687363697476 + 635068735744 = 829074^2 + 796912^2 .

It is not an unprimeable number, because it can be changed into a prime (1322432433221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33060810811 + ... + 33060810850.

It is an arithmetic number, because the mean of its divisors is an integer number (231425675817).

Almost surely, 21322432433220 is an apocalyptic number.

1322432433220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322432433220 is an abundant number, since it is smaller than the sum of its proper divisors (1454675676584).

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

1322432433220 is a wasteful number, since it uses less digits than its factorization.

1322432433220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66121621670 (or 66121621668 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 1322432433220 its reverse (223342342231), we get a palindrome (1545774775451).

The spelling of 1322432433220 in words is "one trillion, three hundred twenty-two billion, four hundred thirty-two million, four hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 66121621661 132243243322 264486486644 330608108305 661216216610 1322432433220