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11221293320 = 2351025327361
BaseRepresentation
bin10100111001101011…
…10101100100001000
31001222000211202121022
422130311311210020
5140440122341240
65053251132012
7545034263606
oct123465654410
931860752538
1011221293320
114839144836
122211ba4008
13109aa28943
14786436876
1545a2029b5
hex29cd75908

11221293320 has 32 divisors (see below), whose sum is σ = 25251295320. Its totient is φ = 4487915520.

The previous prime is 11221293313. The next prime is 11221293359. The reversal of 11221293320 is 2339212211.

It can be written as a sum of positive squares in 4 ways, for example, as 7357179076 + 3864114244 = 85774^2 + 62162^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11221293320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396440 + ... + 423800.

Almost surely, 211221293320 is an apocalyptic number.

11221293320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221293320 is an abundant number, since it is smaller than the sum of its proper divisors (14030002000).

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

11221293320 is a wasteful number, since it uses less digits than its factorization.

11221293320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37625 (or 37621 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 11221293320 in words is "eleven billion, two hundred twenty-one million, two hundred ninety-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 10253 20506 27361 41012 51265 54722 82024 102530 109444 136805 205060 218888 273610 410120 547220 1094440 280532333 561064666 1122129332 1402661665 2244258664 2805323330 5610646660 11221293320