Base | Representation |
---|---|
bin | 10100000100100… |
… | …10011000000000 |
3 | 102201211011120100 |
4 | 22002102120000 |
5 | 321100343322 |
6 | 24412442400 |
7 | 4113064425 |
oct | 1202223000 |
9 | 381734510 |
10 | 168371712 |
11 | 87050183 |
12 | 48479400 |
13 | 28b62142 |
14 | 1850bd4c |
15 | ebacdac |
hex | a092600 |
168371712 has 120 divisors (see below), whose sum is σ = 494722800. Its totient is φ = 55111680.
The previous prime is 168371681. The next prime is 168371729. The reversal of 168371712 is 217173861.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280789 + ... + 281387.
It is an arithmetic number, because the mean of its divisors is an integer number (4122690).
Almost surely, 2168371712 is an apocalyptic number.
168371712 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 168371712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247361400).
168371712 is an abundant number, since it is smaller than the sum of its proper divisors (326351088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168371712 is an equidigital number, since it uses as much as digits as its factorization.
168371712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 684 (or 665 counting only the distinct ones).
The product of its digits is 14112, while the sum is 36.
The square root of 168371712 is about 12975.8125757118. The cubic root of 168371712 is about 552.1914899598.
The spelling of 168371712 in words is "one hundred sixty-eight million, three hundred seventy-one thousand, seven hundred twelve".
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