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220022131009 = 281791780799
BaseRepresentation
bin1100110011101001010…
…1110100100101000001
3210000220201110022210011
43030322111310211001
512101101131143014
6245024325504521
721616232153542
oct3147225644501
9700821408704
10220022131009
118534683660a
1236784b72141
1317995475185
14a9132c84c9
155acb1127c4
hex333a574941

220022131009 has 4 divisors (see below), whose sum is σ = 220023193600. Its totient is φ = 220021068420.

The previous prime is 220022130967. The next prime is 220022131013. The reversal of 220022131009 is 900131220022.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220022131009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220022131019) 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, 108609 + ... + 672190.

It is an arithmetic number, because the mean of its divisors is an integer number (55005798400).

Almost surely, 2220022131009 is an apocalyptic number.

It is an amenable number.

220022131009 is a deficient number, since it is larger than the sum of its proper divisors (1062591).

220022131009 is an equidigital number, since it uses as much as digits as its factorization.

220022131009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062590.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 220022131009 in words is "two hundred twenty billion, twenty-two million, one hundred thirty-one thousand, nine".

Divisors: 1 281791 780799 220022131009