Base | Representation |
---|---|
bin | 10010110111100110… |
… | …10000111100111111 |
3 | 222010222120101211001 |
4 | 21123303100330333 |
5 | 131221301200111 |
6 | 4353111111131 |
7 | 506014300222 |
oct | 113363207477 |
9 | 28128511731 |
10 | 10130100031 |
11 | 43291a50a7 |
12 | 1b686724a7 |
13 | c5593c63c |
14 | 6c154b5b9 |
15 | 3e450b1c1 |
hex | 25bcd0f3f |
10130100031 has 4 divisors (see below), whose sum is σ = 10134900864. Its totient is φ = 10125299200.
The previous prime is 10130100017. The next prime is 10130100047. The reversal of 10130100031 is 13000103101.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10130100031 - 25 = 10130099999 is a prime.
It is a super-2 number, since 2×101301000312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10130099990 and 10130100017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10130100931) 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, 2397250 + ... + 2401471.
It is an arithmetic number, because the mean of its divisors is an integer number (2533725216).
Almost surely, 210130100031 is an apocalyptic number.
10130100031 is a deficient number, since it is larger than the sum of its proper divisors (4800833).
10130100031 is an equidigital number, since it uses as much as digits as its factorization.
10130100031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4800832.
The product of its (nonzero) digits is 9, while the sum is 10.
Adding to 10130100031 its reverse (13000103101), we get a palindrome (23130203132).
The spelling of 10130100031 in words is "ten billion, one hundred thirty million, one hundred thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •