Base | Representation |
---|---|
bin | 1001110001111001110… |
… | …1010101011001000000 |
3 | 121001200020100122210000 |
4 | 2130132131111121000 |
5 | 10223043232341231 |
6 | 205103534440000 |
7 | 15065363435232 |
oct | 2343635253100 |
9 | 531606318700 |
10 | 168014730816 |
11 | 65288a32039 |
12 | 2868b963000 |
13 | 12ac78699aa |
14 | 81bc134252 |
15 | 45853e76e6 |
hex | 271e755640 |
168014730816 has 105 divisors (see below), whose sum is σ = 498135796081. Its totient is φ = 55995072768.
The previous prime is 168014730781. The next prime is 168014730823. The reversal of 168014730816 is 618037410861.
The square root of 168014730816 is 409896.
It is a perfect power (a square), and thus also a powerful number.
168014730816 is a `hidden beast` number, since 168 + 0 + 1 + 473 + 0 + 8 + 16 = 666.
It can be written as a sum of positive squares in only one way, i.e., 20632449600 + 147382281216 = 143640^2 + 383904^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 29509666 + ... + 29515358.
Almost surely, 2168014730816 is an apocalyptic number.
168014730816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
168014730816 is the 409896-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168014730816
168014730816 is an abundant number, since it is smaller than the sum of its proper divisors (330121065265).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168014730816 is an frugal number, since it uses more digits than its factorization.
168014730816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11410 (or 5698 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The spelling of 168014730816 in words is "one hundred sixty-eight billion, fourteen million, seven hundred thirty thousand, eight hundred sixteen".
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