Base | Representation |
---|---|
bin | 11000001110111011… |
… | …01101010100110111 |
3 | 1020120200212002112020 |
4 | 30013131231110313 |
5 | 203121043131411 |
6 | 5550552124223 |
7 | 640255165560 |
oct | 140735552467 |
9 | 36520762466 |
10 | 13010130231 |
11 | 557697444a |
12 | 2631096673 |
13 | 12c450a917 |
14 | 8b5c45167 |
15 | 5122a3606 |
hex | 30776d537 |
13010130231 has 16 divisors (see below), whose sum is σ = 20063817984. Its totient is φ = 7344788544.
The previous prime is 13010130173. The next prime is 13010130323. The reversal of 13010130231 is 13203101031.
It is not a de Polignac number, because 13010130231 - 27 = 13010130103 is a prime.
It is a super-2 number, since 2×130101302312 (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 13010130231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13010130131) 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, 3730366 + ... + 3733851.
It is an arithmetic number, because the mean of its divisors is an integer number (1253988624).
Almost surely, 213010130231 is an apocalyptic number.
13010130231 is a deficient number, since it is larger than the sum of its proper divisors (7053687753).
13010130231 is an equidigital number, since it uses as much as digits as its factorization.
13010130231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7464310.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 13010130231 its reverse (13203101031), we get a palindrome (26213231262).
The spelling of 13010130231 in words is "thirteen billion, ten million, one hundred thirty thousand, two hundred thirty-one".
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