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16220160642 = 2371732232337
BaseRepresentation
bin11110001101100110…
…00000001010000010
31112212102002112102110
433012303000022002
5231204330120032
611241302200150
71112644043040
oct170663001202
945772075373
1016220160642
116973948844
123188123056
1316b657baba
14adc2c1390
1564ded37cc
hex3c6cc0282

16220160642 has 32 divisors (see below), whose sum is σ = 37288973952. Its totient is φ = 4607541504.

The previous prime is 16220160629. The next prime is 16220160667. The reversal of 16220160642 is 24606102261.

It is a super-2 number, since 2×162201606422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108903 + ... + 1123434.

It is an arithmetic number, because the mean of its divisors is an integer number (1165280436).

Almost surely, 216220160642 is an apocalyptic number.

16220160642 is an abundant number, since it is smaller than the sum of its proper divisors (21068813310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16220160642 is a wasteful number, since it uses less digits than its factorization.

16220160642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232522.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 16220160642 in words is "sixteen billion, two hundred twenty million, one hundred sixty thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 173 346 519 1038 1211 2422 3633 7266 2232337 4464674 6697011 13394022 15626359 31252718 46879077 93758154 386194301 772388602 1158582903 2317165806 2703360107 5406720214 8110080321 16220160642