Base | Representation |
---|---|
bin | 10010110100100111… |
… | …00010100110101001 |
3 | 222002020100111222012 |
4 | 21122103202212221 |
5 | 131143340202010 |
6 | 4350413205305 |
7 | 505261065236 |
oct | 113223424651 |
9 | 28066314865 |
10 | 10105006505 |
11 | 4316015a50 |
12 | 1b60190835 |
13 | c506949b9 |
14 | 6bc09878d |
15 | 3e2201005 |
hex | 25a4e29a9 |
10105006505 has 8 divisors (see below), whose sum is σ = 13228372224. Its totient is φ = 7349095600.
The previous prime is 10105006501. The next prime is 10105006547. The reversal of 10105006505 is 50560050101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10105006505 - 22 = 10105006501 is a prime.
It is a super-2 number, since 2×101050065052 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10105006501) 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, 91863641 + ... + 91863750.
It is an arithmetic number, because the mean of its divisors is an integer number (1653546528).
Almost surely, 210105006505 is an apocalyptic number.
It is an amenable number.
10105006505 is a deficient number, since it is larger than the sum of its proper divisors (3123365719).
10105006505 is a wasteful number, since it uses less digits than its factorization.
10105006505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183727407.
The product of its (nonzero) digits is 750, while the sum is 23.
Adding to 10105006505 its reverse (50560050101), we get a palindrome (60665056606).
The spelling of 10105006505 in words is "ten billion, one hundred five million, six thousand, five hundred five".
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