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202221120109 = 317246790017
BaseRepresentation
bin1011110001010101010…
…0010110101001101101
3201022222010201021111011
42330111110112221231
511303122101320414
6232522112225221
720416141105561
oct2742524265155
9638863637434
10202221120109
1178841606658
123323753b211
13160b9536a28
149b050996a1
1553d8463dc4
hex2f15516a6d

202221120109 has 8 divisors (see below), whose sum is σ = 208749581568. Its totient is φ = 195692983680.

The previous prime is 202221120103. The next prime is 202221120133. The reversal of 202221120109 is 901021122202.

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 202221120109 - 25 = 202221120077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202221120109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221120103) 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, 2201469 + ... + 2291485.

It is an arithmetic number, because the mean of its divisors is an integer number (26093697696).

Almost surely, 2202221120109 is an apocalyptic number.

It is an amenable number.

202221120109 is a deficient number, since it is larger than the sum of its proper divisors (6528461459).

202221120109 is an equidigital number, since it uses as much as digits as its factorization.

202221120109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162515.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 202221120109 in words is "two hundred two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred nine".

Divisors: 1 31 72467 90017 2246477 2790527 6523261939 202221120109