Base | Representation |
---|---|
bin | 100001101101110… |
… | …1110100100101011 |
3 | 2220211211010122010 |
4 | 1003123232210223 |
5 | 4304110421443 |
6 | 304132331003 |
7 | 40015151352 |
oct | 10333564453 |
9 | 2824733563 |
10 | 1131342123 |
11 | 53068209a |
12 | 276a73a63 |
13 | 150505812 |
14 | aa37a999 |
15 | 694c7733 |
hex | 436ee92b |
1131342123 has 16 divisors (see below), whose sum is σ = 1543288320. Its totient is φ = 736869216.
The previous prime is 1131342097. The next prime is 1131342127. The reversal of 1131342123 is 3212431311.
It is not a de Polignac number, because 1131342123 - 28 = 1131341867 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1131342123.
It is not an unprimeable number, because it can be changed into a prime (1131342127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75933 + ... + 89601.
It is an arithmetic number, because the mean of its divisors is an integer number (96455520).
Almost surely, 21131342123 is an apocalyptic number.
1131342123 is a deficient number, since it is larger than the sum of its proper divisors (411946197).
1131342123 is a wasteful number, since it uses less digits than its factorization.
1131342123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14306.
The product of its digits is 432, while the sum is 21.
The square root of 1131342123 is about 33635.4295795371. The cubic root of 1131342123 is about 1041.9926426095.
Adding to 1131342123 its reverse (3212431311), we get a palindrome (4343773434).
The spelling of 1131342123 in words is "one billion, one hundred thirty-one million, three hundred forty-two thousand, one hundred twenty-three".
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