Base | Representation |
---|---|
bin | 10010110100100111… |
… | …11011111011101011 |
3 | 222002020112210021122 |
4 | 21122103323323223 |
5 | 131143402012001 |
6 | 4350415325455 |
7 | 505262006555 |
oct | 113223737353 |
9 | 28066483248 |
10 | 10105110251 |
11 | 4316086995 |
12 | 1b6022088b |
13 | c506ccca2 |
14 | 6bc0c44d5 |
15 | 3e2221b1b |
hex | 25a4fbeeb |
10105110251 has 4 divisors (see below), whose sum is σ = 10149237600. Its totient is φ = 10060982904.
The previous prime is 10105110227. The next prime is 10105110259. The reversal of 10105110251 is 15201150101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15201150101 = 251 ⋅60562351.
It is a cyclic number.
It is not a de Polignac number, because 10105110251 - 210 = 10105109227 is a prime.
It is a super-2 number, since 2×101051102512 (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 (10105110259) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22063331 + ... + 22063788.
It is an arithmetic number, because the mean of its divisors is an integer number (2537309400).
Almost surely, 210105110251 is an apocalyptic number.
10105110251 is a deficient number, since it is larger than the sum of its proper divisors (44127349).
10105110251 is an equidigital number, since it uses as much as digits as its factorization.
10105110251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44127348.
The product of its (nonzero) digits is 50, while the sum is 17.
Adding to 10105110251 its reverse (15201150101), we get a palindrome (25306260352).
The spelling of 10105110251 in words is "ten billion, one hundred five million, one hundred ten thousand, two hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •