Base | Representation |
---|---|
bin | 1001100010010100000… |
… | …1101101000101110110 |
3 | 120122212120222022220020 |
4 | 2120211001231011312 |
5 | 10141010432223303 |
6 | 203132404350010 |
7 | 14556600456330 |
oct | 2304501550566 |
9 | 518776868806 |
10 | 163829961078 |
11 | 63530818653 |
12 | 279023a5306 |
13 | 125ab894394 |
14 | 7d02444450 |
15 | 43dcd25a53 |
hex | 262506d176 |
163829961078 has 128 divisors (see below), whose sum is σ = 415069857792. Its totient is φ = 42003726336.
The previous prime is 163829961049. The next prime is 163829961103. The reversal of 163829961078 is 870169928361.
It is a super-2 number, since 2×1638299610782 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 5124150 + ... + 5156022.
It is an arithmetic number, because the mean of its divisors is an integer number (3242733264).
Almost surely, 2163829961078 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 163829961078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207534928896).
163829961078 is an abundant number, since it is smaller than the sum of its proper divisors (251239896714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163829961078 is a wasteful number, since it uses less digits than its factorization.
163829961078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32238.
The product of its (nonzero) digits is 7838208, while the sum is 60.
The spelling of 163829961078 in words is "one hundred sixty-three billion, eight hundred twenty-nine million, nine hundred sixty-one thousand, seventy-eight".
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