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220201100102209 = 271812550184879
BaseRepresentation
bin110010000100010110010000…
…010110011100101001000001
31001212200000112021102020020211
4302010112100112130221001
5212330233323111232314
62100154553332434121
764245001352113462
oct6204262026345101
91055600467366224
10220201100102209
1164187842416666
1220844546a78941
1395b3b4a77a125
143c53b0c0cad69
151a6ce08c509c4
hexc8459059ca41

220201100102209 has 4 divisors (see below), whose sum is σ = 221013650287360. Its totient is φ = 219388549917060.

The previous prime is 220201100102177. The next prime is 220201100102219. The reversal of 220201100102209 is 902201001102022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220201100102209 - 25 = 220201100102177 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 220201100102209.

It is not an unprimeable number, because it can be changed into a prime (220201100102219) 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, 406275092169 + ... + 406275092710.

It is an arithmetic number, because the mean of its divisors is an integer number (55253412571840).

Almost surely, 2220201100102209 is an apocalyptic number.

It is an amenable number.

220201100102209 is a deficient number, since it is larger than the sum of its proper divisors (812550185151).

220201100102209 is an equidigital number, since it uses as much as digits as its factorization.

220201100102209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812550185150.

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

The spelling of 220201100102209 in words is "two hundred twenty trillion, two hundred one billion, one hundred million, one hundred two thousand, two hundred nine".

Divisors: 1 271 812550184879 220201100102209