Base | Representation |
---|---|
bin | 100100101010110… |
… | …1001000110010011 |
3 | 10011202020022101121 |
4 | 1021111221012103 |
5 | 10004441111011 |
6 | 322031543111 |
7 | 42330212356 |
oct | 11125510623 |
9 | 3152208347 |
10 | 1230410131 |
11 | 581597385 |
12 | 2a408aa97 |
13 | 167bb1042 |
14 | b95a829d |
15 | 73045e71 |
hex | 49569193 |
1230410131 has 4 divisors (see below), whose sum is σ = 1251264600. Its totient is φ = 1209555664.
The previous prime is 1230410117. The next prime is 1230410141. The reversal of 1230410131 is 1310140321.
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 1230410131 - 217 = 1230279059 is a prime.
It is a super-2 number, since 2×12304101312 = 3027818180934874322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1230410101) 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, 10427146 + ... + 10427263.
It is an arithmetic number, because the mean of its divisors is an integer number (312816150).
Almost surely, 21230410131 is an apocalyptic number.
1230410131 is a deficient number, since it is larger than the sum of its proper divisors (20854469).
1230410131 is an equidigital number, since it uses as much as digits as its factorization.
1230410131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20854468.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1230410131 is about 35077.2024397614. The cubic root of 1230410131 is about 1071.5603435247.
Adding to 1230410131 its reverse (1310140321), we get a palindrome (2540550452).
The spelling of 1230410131 in words is "one billion, two hundred thirty million, four hundred ten thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •