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22012210109 = 43796479897
BaseRepresentation
bin10100100000000001…
…111010101110111101
32002211001212010121002
4110200001322232331
5330040111210414
614040130020045
71406324461451
oct244001725675
962731763532
1022012210109
11937635628a
124323a17625
1320ca5387c6
1410cb63c661
1588c7414de
hex52007abbd

22012210109 has 8 divisors (see below), whose sum is σ = 22809240960. Its totient is φ = 21228139296.

The previous prime is 22012210039. The next prime is 22012210123. The reversal of 22012210109 is 90101221022.

It is a happy number.

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

It is not a de Polignac number, because 22012210109 - 28 = 22012209853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012210189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236552 + ... + 3243345.

It is an arithmetic number, because the mean of its divisors is an integer number (2851155120).

Almost surely, 222012210109 is an apocalyptic number.

It is an amenable number.

22012210109 is a deficient number, since it is larger than the sum of its proper divisors (797030851).

22012210109 is an equidigital number, since it uses as much as digits as its factorization.

22012210109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480019.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 22012210109 in words is "twenty-two billion, twelve million, two hundred ten thousand, one hundred nine".

Divisors: 1 43 79 3397 6479897 278635571 511911863 22012210109