Base | Representation |
---|---|
bin | 10010110110011011… |
… | …11101010011100111 |
3 | 222010022011112110020 |
4 | 21123031331103213 |
5 | 131211300221411 |
6 | 4352121330223 |
7 | 505535205540 |
oct | 113315752347 |
9 | 28108145406 |
10 | 10120320231 |
11 | 432372541a |
12 | 1b65336973 |
13 | c538c7088 |
14 | 6c01234c7 |
15 | 3e3728606 |
hex | 25b37d4e7 |
10120320231 has 16 divisors (see below), whose sum is σ = 15424176384. Its totient is φ = 5782014144.
The previous prime is 10120320193. The next prime is 10120320257. The reversal of 10120320231 is 13202302101.
10120320231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10120320231 - 211 = 10120318183 is a prime.
It is a super-2 number, since 2×101203202312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10120320231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120340231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87691 + ... + 167123.
It is an arithmetic number, because the mean of its divisors is an integer number (964011024).
Almost surely, 210120320231 is an apocalyptic number.
10120320231 is a deficient number, since it is larger than the sum of its proper divisors (5303856153).
10120320231 is an equidigital number, since it uses as much as digits as its factorization.
10120320231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85510.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 10120320231 its reverse (13202302101), we get a palindrome (23322622332).
The spelling of 10120320231 in words is "ten billion, one hundred twenty million, three hundred twenty thousand, two hundred thirty-one".
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