Base | Representation |
---|---|
bin | 10100000010110… |
… | …11000010111000 |
3 | 102201101122200120 |
4 | 22001123002320 |
5 | 321021120310 |
6 | 24403533240 |
7 | 4111131615 |
oct | 1201330270 |
9 | 381348616 |
10 | 168145080 |
11 | 86a05984 |
12 | 4838a220 |
13 | 28ab2c3c |
14 | 1848d50c |
15 | eb65b70 |
hex | a05b0b8 |
168145080 has 64 divisors (see below), whose sum is σ = 505733760. Its totient is φ = 44723328.
The previous prime is 168145073. The next prime is 168145121. The reversal of 168145080 is 80541861.
168145080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51579 + ... + 54741.
It is an arithmetic number, because the mean of its divisors is an integer number (7902090).
Almost surely, 2168145080 is an apocalyptic number.
168145080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
168145080 is an abundant number, since it is smaller than the sum of its proper divisors (337588680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168145080 is a wasteful number, since it uses less digits than its factorization.
168145080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3620 (or 3616 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 33.
The square root of 168145080 is about 12967.0767715781. The cubic root of 168145080 is about 551.9436247825.
The spelling of 168145080 in words is "one hundred sixty-eight million, one hundred forty-five thousand, eighty".
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