Base | Representation |
---|---|
bin | 1001110101010000100… |
… | …0000010110000101101 |
3 | 121010222222121010101001 |
4 | 2131110020002300231 |
5 | 10231414232303044 |
6 | 205333141120301 |
7 | 15126605552140 |
oct | 2352410026055 |
9 | 533888533331 |
10 | 168915119149 |
11 | 657001aa127 |
12 | 288a13b9091 |
13 | 12c0c26b05a |
14 | 8265952057 |
15 | 45d949e2d4 |
hex | 2754202c2d |
168915119149 has 8 divisors (see below), whose sum is σ = 199702604160. Its totient is φ = 139791822576.
The previous prime is 168915119147. The next prime is 168915119183. The reversal of 168915119149 is 941911519861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 168915119149 - 21 = 168915119147 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 168915119149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168915119147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416046889 + ... + 416047294.
It is an arithmetic number, because the mean of its divisors is an integer number (24962825520).
Almost surely, 2168915119149 is an apocalyptic number.
It is an amenable number.
168915119149 is a deficient number, since it is larger than the sum of its proper divisors (30787485011).
168915119149 is an equidigital number, since it uses as much as digits as its factorization.
168915119149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 832094219.
The product of its digits is 699840, while the sum is 55.
The spelling of 168915119149 in words is "one hundred sixty-eight billion, nine hundred fifteen million, one hundred nineteen thousand, one hundred forty-nine".
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