Base | Representation |
---|---|
bin | 1001110011010110100… |
… | …0010001000110111110 |
3 | 121002200022211210120101 |
4 | 2130311220101012332 |
5 | 10224342242112310 |
6 | 205210302511314 |
7 | 15111123620665 |
oct | 2346550210676 |
9 | 532608753511 |
10 | 168403472830 |
11 | 6546840872a |
12 | 28779b9553a |
13 | 12b5a268c58 |
14 | 8217a07ddc |
15 | 45a95d543a |
hex | 2735a111be |
168403472830 has 8 divisors (see below), whose sum is σ = 303126251112. Its totient is φ = 67361389128.
The previous prime is 168403472827. The next prime is 168403472879. The reversal of 168403472830 is 38274304861.
168403472830 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1684034728302 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8420173632 + ... + 8420173651.
It is an arithmetic number, because the mean of its divisors is an integer number (37890781389).
Almost surely, 2168403472830 is an apocalyptic number.
168403472830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
168403472830 is a deficient number, since it is larger than the sum of its proper divisors (134722778282).
168403472830 is a wasteful number, since it uses less digits than its factorization.
168403472830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16840347290.
The product of its (nonzero) digits is 774144, while the sum is 46.
The spelling of 168403472830 in words is "one hundred sixty-eight billion, four hundred three million, four hundred seventy-two thousand, eight hundred thirty".
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