Base | Representation |
---|---|
bin | 100100101100000… |
… | …0000111110110010 |
3 | 10011210101220202202 |
4 | 1021120000332302 |
5 | 10010121012432 |
6 | 322053143202 |
7 | 42335413166 |
oct | 11130007662 |
9 | 3153356682 |
10 | 1231032242 |
11 | 581981820 |
12 | 2a432ab02 |
13 | 16806b25b |
14 | b96caca6 |
15 | 7311a462 |
hex | 49600fb2 |
1231032242 has 8 divisors (see below), whose sum is σ = 2014416432. Its totient is φ = 559560100.
The previous prime is 1231032193. The next prime is 1231032259. The reversal of 1231032242 is 2422301321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27977984 + ... + 27978027.
It is an arithmetic number, because the mean of its divisors is an integer number (251802054).
Almost surely, 21231032242 is an apocalyptic number.
1231032242 is a deficient number, since it is larger than the sum of its proper divisors (783384190).
1231032242 is a wasteful number, since it uses less digits than its factorization.
1231032242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55956024.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1231032242 is about 35086.0690588159. The cubic root of 1231032242 is about 1071.7409112718.
Adding to 1231032242 its reverse (2422301321), we get a palindrome (3653333563).
The spelling of 1231032242 in words is "one billion, two hundred thirty-one million, thirty-two thousand, two hundred forty-two".
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