Base | Representation |
---|---|
bin | 100110010111100101011110… |
… | …011000001111010111001110 |
3 | 211010111000100110012221110120 |
4 | 212113211132120033113032 |
5 | 134104220420144131410 |
6 | 1354521032501445410 |
7 | 50354351622323631 |
oct | 4627453630172716 |
9 | 733430313187416 |
10 | 168746553505230 |
11 | 4984a014270678 |
12 | 16b14267410866 |
13 | 73209687705cc |
14 | 2d9553bbcbc18 |
15 | 1479742396570 |
hex | 99795e60f5ce |
168746553505230 has 128 divisors (see below), whose sum is σ = 419179580582400. Its totient is φ = 43447007729664.
The previous prime is 168746553505223. The next prime is 168746553505261. The reversal of 168746553505230 is 32505355647861.
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, 429078042 + ... + 429471138.
It is an arithmetic number, because the mean of its divisors is an integer number (3274840473300).
Almost surely, 2168746553505230 is an apocalyptic number.
168746553505230 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 168746553505230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209589790291200).
168746553505230 is an abundant number, since it is smaller than the sum of its proper divisors (250433027077170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168746553505230 is a wasteful number, since it uses less digits than its factorization.
168746553505230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 396978.
The product of its (nonzero) digits is 90720000, while the sum is 60.
The spelling of 168746553505230 in words is "one hundred sixty-eight trillion, seven hundred forty-six billion, five hundred fifty-three million, five hundred five thousand, two hundred thirty".
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