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17220880228 = 2234671241771
BaseRepresentation
bin10000000010011100…
…011100011101100100
31122110011010100121211
4100002130130131210
5240232021131403
611524451121204
71146515031616
oct200234343544
948404110554
1017220880228
117337813222
1234072a3204
1318159ab676
14b95178db6
156abca806d
hex40271c764

17220880228 has 12 divisors (see below), whose sum is σ = 30145257072. Its totient is φ = 8607949640.

The previous prime is 17220880217. The next prime is 17220880247. The reversal of 17220880228 is 82208802271.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607018 + ... + 634753.

It is an arithmetic number, because the mean of its divisors is an integer number (2512104756).

Almost surely, 217220880228 is an apocalyptic number.

It is an amenable number.

17220880228 is a deficient number, since it is larger than the sum of its proper divisors (12924376844).

17220880228 is a wasteful number, since it uses less digits than its factorization.

17220880228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245242 (or 1245240 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The spelling of 17220880228 in words is "seventeen billion, two hundred twenty million, eight hundred eighty thousand, two hundred twenty-eight".

Divisors: 1 2 4 3467 6934 13868 1241771 2483542 4967084 4305220057 8610440114 17220880228