Base | Representation |
---|---|
bin | 110001000111001010… |
… | …1000101111010111001 |
3 | 101002020011222020222001 |
4 | 1202032111011322321 |
5 | 3211444034442144 |
6 | 120241222101001 |
7 | 10422400430641 |
oct | 1421625057271 |
9 | 332204866861 |
10 | 105467109049 |
11 | 40801485045 |
12 | 1853487a761 |
13 | 9c3a378603 |
14 | 5167195521 |
15 | 2b241adbd4 |
hex | 188e545eb9 |
105467109049 has 3 divisors (see below), whose sum is σ = 105467433807. Its totient is φ = 105466784292.
The previous prime is 105467109043. The next prime is 105467109091. The reversal of 105467109049 is 940901764501.
The square root of 105467109049 is 324757.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 940901764501 = 443777 ⋅2120213.
It can be written as a sum of positive squares in only one way, i.e., 60297258025 + 45169851024 = 245555^2 + 212532^2 .
It is not a de Polignac number, because 105467109049 - 211 = 105467107001 is a prime.
It is a super-2 number, since 2×1054671090492 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105467109043) by changing a digit.
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 2 ways as a sum of consecutive naturals, for example, 162379 + ... + 487135.
It is an arithmetic number, because the mean of its divisors is an integer number (35155811269).
Almost surely, 2105467109049 is an apocalyptic number.
105467109049 is the 324757-th square number.
105467109049 is the 162379-th centered octagonal number.
It is an amenable number.
105467109049 is a deficient number, since it is larger than the sum of its proper divisors (324758).
105467109049 is an frugal number, since it uses more digits than its factorization.
105467109049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649514 (or 324757 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 46.
The spelling of 105467109049 in words is "one hundred five billion, four hundred sixty-seven million, one hundred nine thousand, forty-nine".
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