Base | Representation |
---|---|
bin | 1100100101000… |
… | …00011111111101 |
3 | 21100112201101011 |
4 | 12102200133331 |
5 | 204002440010 |
6 | 14245315221 |
7 | 2420601631 |
oct | 622403775 |
9 | 240481334 |
10 | 105515005 |
11 | 54618a92 |
12 | 2b405b11 |
13 | 18b24b1b |
14 | 10028dc1 |
15 | 93e3a8a |
hex | 64a07fd |
105515005 has 16 divisors (see below), whose sum is σ = 134342064. Its totient is φ = 79283200.
The previous prime is 105514987. The next prime is 105515051. The reversal of 105515005 is 500515501.
It can be written as a sum of positive squares in 8 ways, for example, as 9847044 + 95667961 = 3138^2 + 9781^2 .
It is not a de Polignac number, because 105515005 - 217 = 105383933 is a prime.
It is a super-3 number, since 3×1055150053 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54555 + ... + 56455.
It is an arithmetic number, because the mean of its divisors is an integer number (8396379).
Almost surely, 2105515005 is an apocalyptic number.
It is an amenable number.
105515005 is a deficient number, since it is larger than the sum of its proper divisors (28827059).
105515005 is a wasteful number, since it uses less digits than its factorization.
105515005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2576.
The product of its (nonzero) digits is 625, while the sum is 22.
The square root of 105515005 is about 10272.0496980885. The cubic root of 105515005 is about 472.5394534210.
The spelling of 105515005 in words is "one hundred five million, five hundred fifteen thousand, five".
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