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221108933441 = 11155591291909
BaseRepresentation
bin1100110111101100011…
…1101001001101000001
3210010201110110121110002
43031323013221031001
512110312341332231
6245324231445345
721655166632004
oct3157307511501
9703643417402
10221108933441
1185854257340
1236a28b26855
1317b09684a36
14a9b778d53b
155b4173d0cb
hex337b1e9341

221108933441 has 8 divisors (see below), whose sum is σ = 241225435200. Its totient is φ = 200995046640.

The previous prime is 221108933429. The next prime is 221108933483. The reversal of 221108933441 is 144339801122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221108933441 - 234 = 203929064257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221108933395 and 221108933404.

It is not an unprimeable number, because it can be changed into a prime (221108933041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474806 + ... + 817103.

It is an arithmetic number, because the mean of its divisors is an integer number (30153179400).

Almost surely, 2221108933441 is an apocalyptic number.

It is an amenable number.

221108933441 is a deficient number, since it is larger than the sum of its proper divisors (20116501759).

221108933441 is a wasteful number, since it uses less digits than its factorization.

221108933441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307479.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 221108933441 in words is "two hundred twenty-one billion, one hundred eight million, nine hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 11 15559 171149 1291909 14210999 20100812131 221108933441