Base | Representation |
---|---|
bin | 110000111001011001… |
… | …0010010010101110110 |
3 | 101001000222102200121002 |
4 | 1201302302102111312 |
5 | 3210022240000204 |
6 | 120123313323302 |
7 | 10405056526253 |
oct | 1416262222566 |
9 | 331028380532 |
10 | 105005000054 |
11 | 40594648789 |
12 | 18425b66532 |
13 | 9b956cc136 |
14 | 5121a6442a |
15 | 2ae882c91e |
hex | 1872c92576 |
105005000054 has 4 divisors (see below), whose sum is σ = 157507500084. Its totient is φ = 52502500026.
The previous prime is 105005000041. The next prime is 105005000057. The reversal of 105005000054 is 450000500501.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450000500501 = 35951 ⋅12517051.
It is a super-2 number, since 2×1050050000542 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105005000057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26251250012 + ... + 26251250015.
It is an arithmetic number, because the mean of its divisors is an integer number (39376875021).
Almost surely, 2105005000054 is an apocalyptic number.
105005000054 is a deficient number, since it is larger than the sum of its proper divisors (52502500030).
105005000054 is an equidigital number, since it uses as much as digits as its factorization.
105005000054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52502500029.
The product of its (nonzero) digits is 500, while the sum is 20.
Adding to 105005000054 its reverse (450000500501), we get a palindrome (555005500555).
The spelling of 105005000054 in words is "one hundred five billion, five million, fifty-four", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •