Base | Representation |
---|---|
bin | 100100101010010… |
… | …0100111110111100 |
3 | 10011201201010200022 |
4 | 1021110210332330 |
5 | 10004403144012 |
6 | 322021551312 |
7 | 42324641066 |
oct | 11124447674 |
9 | 3151633608 |
10 | 1230131132 |
11 | 5814167aa |
12 | 2a3b75538 |
13 | 167b14059 |
14 | b9534736 |
15 | 72edd472 |
hex | 49524fbc |
1230131132 has 6 divisors (see below), whose sum is σ = 2152729488. Its totient is φ = 615065564.
The previous prime is 1230131129. The next prime is 1230131153. The reversal of 1230131132 is 2311310321.
It is a self number, because there is not a number n which added to its sum of digits gives 1230131132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153766388 + ... + 153766395.
It is an arithmetic number, because the mean of its divisors is an integer number (358788248).
Almost surely, 21230131132 is an apocalyptic number.
It is an amenable number.
1230131132 is a deficient number, since it is larger than the sum of its proper divisors (922598356).
1230131132 is a wasteful number, since it uses less digits than its factorization.
1230131132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307532787 (or 307532785 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 1230131132 is about 35073.2252865345. The cubic root of 1230131132 is about 1071.4793442826.
Adding to 1230131132 its reverse (2311310321), we get a palindrome (3541441453).
The spelling of 1230131132 in words is "one billion, two hundred thirty million, one hundred thirty-one thousand, one hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •