Base | Representation |
---|---|
bin | 110000111001010000… |
… | …1011011100110001000 |
3 | 101001000200010012111101 |
4 | 1201302201123212020 |
5 | 3210020122102022 |
6 | 120123034511144 |
7 | 10405004134231 |
oct | 1416241334610 |
9 | 331020105441 |
10 | 105000581512 |
11 | 405920aaaa2 |
12 | 184245954b4 |
13 | 9b94812c08 |
14 | 5121234088 |
15 | 2ae8258627 |
hex | 187285b988 |
105000581512 has 8 divisors (see below), whose sum is σ = 196876090350. Its totient is φ = 52500290752.
The previous prime is 105000581509. The next prime is 105000581519. The reversal of 105000581512 is 215185000501.
It can be written as a sum of positive squares in only one way, i.e., 104894367876 + 106213636 = 323874^2 + 10306^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×1050005815122 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (105000581519) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562536337 + ... + 6562536352.
Almost surely, 2105000581512 is an apocalyptic number.
It is an amenable number.
105000581512 is a deficient number, since it is larger than the sum of its proper divisors (91875508838).
105000581512 is a wasteful number, since it uses less digits than its factorization.
105000581512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13125072695 (or 13125072691 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 28.
The spelling of 105000581512 in words is "one hundred five billion, five hundred eighty-one thousand, five hundred twelve".
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