Base | Representation |
---|---|
bin | 1001110100100011000… |
… | …1011110100010010110 |
3 | 121010111201012111121210 |
4 | 2131020301132202112 |
5 | 10231022002413410 |
6 | 205302214522250 |
7 | 15122103616626 |
oct | 2351061364226 |
9 | 533451174553 |
10 | 168724654230 |
11 | 6561273a000 |
12 | 28849666386 |
13 | 12bab971b12 |
14 | 8248532886 |
15 | 45c78ca220 |
hex | 2748c5e896 |
168724654230 has 128 divisors (see below), whose sum is σ = 457444578816. Its totient is φ = 39797112960.
The previous prime is 168724654201. The next prime is 168724654331. The reversal of 168724654230 is 32456427861.
It is a self number, because there is not a number n which added to its sum of digits gives 168724654230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1420309 + ... + 1534511.
It is an arithmetic number, because the mean of its divisors is an integer number (3573785772).
Almost surely, 2168724654230 is an apocalyptic number.
168724654230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 168724654230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228722289408).
168724654230 is an abundant number, since it is smaller than the sum of its proper divisors (288719924586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168724654230 is a wasteful number, since it uses less digits than its factorization.
168724654230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114283 (or 114261 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 48.
The spelling of 168724654230 in words is "one hundred sixty-eight billion, seven hundred twenty-four million, six hundred fifty-four thousand, two hundred thirty".
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