Base | Representation |
---|---|
bin | 10011011100110… |
… | …01011011010000 |
3 | 102101000021022020 |
4 | 21232121123100 |
5 | 313232021322 |
6 | 24105011440 |
7 | 4020550314 |
oct | 1156313320 |
9 | 371007266 |
10 | 163157712 |
11 | 84109893 |
12 | 46783b80 |
13 | 27a57b33 |
14 | 17951b44 |
15 | e4cd05c |
hex | 9b996d0 |
163157712 has 160 divisors (see below), whose sum is σ = 476160000. Its totient is φ = 47900160.
The previous prime is 163157711. The next prime is 163157717. The reversal of 163157712 is 217751361.
163157712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163157711) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819789 + ... + 819987.
It is an arithmetic number, because the mean of its divisors is an integer number (2976000).
Almost surely, 2163157712 is an apocalyptic number.
163157712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 163157712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238080000).
163157712 is an abundant number, since it is smaller than the sum of its proper divisors (313002288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163157712 is a wasteful number, since it uses less digits than its factorization.
163157712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289 (or 283 counting only the distinct ones).
The product of its digits is 8820, while the sum is 33.
The square root of 163157712 is about 12773.3203201047. The cubic root of 163157712 is about 546.4316783673.
The spelling of 163157712 in words is "one hundred sixty-three million, one hundred fifty-seven thousand, seven hundred twelve".
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