Base | Representation |
---|---|
bin | 100100101010110… |
… | …1101100110100001 |
3 | 10011202021020200210 |
4 | 1021111231212201 |
5 | 10004442203302 |
6 | 322032204333 |
7 | 42330320220 |
oct | 11125554641 |
9 | 3152236623 |
10 | 1230428577 |
11 | 5815aa224 |
12 | 2a40996a9 |
13 | 167bb9561 |
14 | b95b0cb7 |
15 | 7304b66c |
hex | 4956d9a1 |
1230428577 has 16 divisors (see below), whose sum is σ = 1876948992. Its totient is φ = 702348240.
The previous prime is 1230428569. The next prime is 1230428587. The reversal of 1230428577 is 7758240321.
It is not a de Polignac number, because 1230428577 - 23 = 1230428569 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1230428527) 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, 11049 + ... + 50822.
It is an arithmetic number, because the mean of its divisors is an integer number (117309312).
Almost surely, 21230428577 is an apocalyptic number.
It is an amenable number.
1230428577 is a deficient number, since it is larger than the sum of its proper divisors (646520415).
1230428577 is an equidigital number, since it uses as much as digits as its factorization.
1230428577 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62828.
The product of its (nonzero) digits is 94080, while the sum is 39.
The square root of 1230428577 is about 35077.4653730853. The cubic root of 1230428577 is about 1071.5656983525.
Adding to 1230428577 its reverse (7758240321), we get a palindrome (8988668898).
The spelling of 1230428577 in words is "one billion, two hundred thirty million, four hundred twenty-eight thousand, five hundred seventy-seven".
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