Base | Representation |
---|---|
bin | 1100100100111… |
… | …00110110100111 |
3 | 21100111221220001 |
4 | 12102130312213 |
5 | 204002000241 |
6 | 14245122131 |
7 | 2420510245 |
oct | 622346647 |
9 | 240457801 |
10 | 105500071 |
11 | 54608846 |
12 | 2b3b9347 |
13 | 18b1b0a1 |
14 | 10023795 |
15 | 93de431 |
hex | 649cda7 |
105500071 has 8 divisors (see below), whose sum is σ = 106613280. Its totient is φ = 104392992.
The previous prime is 105500063. The next prime is 105500081. The reversal of 105500071 is 170005501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 105500071 - 23 = 105500063 is a prime.
It is a super-2 number, since 2×1055000712 = 22260529962010082, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105500081) 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, 38286 + ... + 40948.
It is an arithmetic number, because the mean of its divisors is an integer number (13326660).
Almost surely, 2105500071 is an apocalyptic number.
105500071 is a deficient number, since it is larger than the sum of its proper divisors (1113209).
105500071 is a wasteful number, since it uses less digits than its factorization.
105500071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3065.
The product of its (nonzero) digits is 175, while the sum is 19.
The square root of 105500071 is about 10271.3227483124. The cubic root of 105500071 is about 472.5171588442.
Adding to 105500071 its reverse (170005501), we get a palindrome (275505572).
The spelling of 105500071 in words is "one hundred five million, five hundred thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •