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13822087220 = 225691104361
BaseRepresentation
bin11001101111101110…
…00101000000110100
31022200021200210010022
430313313011000310
5211301423242340
610203315144312
7666344542244
oct146767050064
938607623108
1013822087220
115953231787
122818ba5098
1313c37b9046
14951a03b24
1555d6dd3b5
hex337dc5034

13822087220 has 12 divisors (see below), whose sum is σ = 29026383204. Its totient is φ = 5528834880.

The previous prime is 13822087207. The next prime is 13822087231. The reversal of 13822087220 is 2278022831.

It is a happy number.

13822087220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4849451044 + 8972636176 = 69638^2 + 94724^2 .

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 3 ways as a sum of consecutive naturals, for example, 345552161 + ... + 345552200.

It is an arithmetic number, because the mean of its divisors is an integer number (2418865267).

Almost surely, 213822087220 is an apocalyptic number.

13822087220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13822087220 is an abundant number, since it is smaller than the sum of its proper divisors (15204295984).

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

13822087220 is a wasteful number, since it uses less digits than its factorization.

13822087220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691104370 (or 691104368 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 13822087220 in words is "thirteen billion, eight hundred twenty-two million, eighty-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 691104361 1382208722 2764417444 3455521805 6911043610 13822087220