Base | Representation |
---|---|
bin | 11110001101100110… |
… | …00000001010000010 |
3 | 1112212102002112102110 |
4 | 33012303000022002 |
5 | 231204330120032 |
6 | 11241302200150 |
7 | 1112644043040 |
oct | 170663001202 |
9 | 45772075373 |
10 | 16220160642 |
11 | 6973948844 |
12 | 3188123056 |
13 | 16b657baba |
14 | adc2c1390 |
15 | 64ded37cc |
hex | 3c6cc0282 |
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".
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