Base | Representation |
---|---|
bin | 100110010011010101000100… |
… | …011110100101000010100101 |
3 | 211002110001101011022110200022 |
4 | 212103111010132211002211 |
5 | 134034422404130330031 |
6 | 1354134421040124525 |
7 | 50324255446523126 |
oct | 4623250436450245 |
9 | 732401334273608 |
10 | 168454061183141 |
11 | 49746a69a49968 |
12 | 16a87638306745 |
13 | 72cc1c418a686 |
14 | 2d85311bda04d |
15 | 1471d23d8497b |
hex | 9935447a50a5 |
168454061183141 has 2 divisors, whose sum is σ = 168454061183142. Its totient is φ = 168454061183140.
The previous prime is 168454061183123. The next prime is 168454061183357. The reversal of 168454061183141 is 141381160454861.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 162232977659041 + 6221083524100 = 12737071^2 + 2494210^2 .
It is a cyclic number.
It is not a de Polignac number, because 168454061183141 - 26 = 168454061183077 is a prime.
It is a super-2 number, since 2×1684540611831412 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (168454061185141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84227030591570 + 84227030591571.
It is an arithmetic number, because the mean of its divisors is an integer number (84227030591571).
Almost surely, 2168454061183141 is an apocalyptic number.
It is an amenable number.
168454061183141 is a deficient number, since it is larger than the sum of its proper divisors (1).
168454061183141 is an equidigital number, since it uses as much as digits as its factorization.
168454061183141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2211840, while the sum is 53.
The spelling of 168454061183141 in words is "one hundred sixty-eight trillion, four hundred fifty-four billion, sixty-one million, one hundred eighty-three thousand, one hundred forty-one".
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