Base | Representation |
---|---|
bin | 101101100110011… |
… | …1010000111010101 |
3 | 10221122011122220100 |
4 | 1123030322013111 |
5 | 11113202013141 |
6 | 411455324313 |
7 | 52626503220 |
oct | 13314720725 |
9 | 3848148810 |
10 | 1530110421 |
11 | 715786674 |
12 | 368520699 |
13 | 1b50055a8 |
14 | 1073005b7 |
15 | 8e4e60b6 |
hex | 5b33a1d5 |
1530110421 has 24 divisors (see below), whose sum is σ = 2561480064. Its totient is φ = 862031520.
The previous prime is 1530110399. The next prime is 1530110459. The reversal of 1530110421 is 1240110351.
1530110421 is a `hidden beast` number, since 1 + 530 + 110 + 4 + 21 = 666.
It is not a de Polignac number, because 1530110421 - 213 = 1530102229 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1530110394 and 1530110403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1530110821) 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 23 ways as a sum of consecutive naturals, for example, 166566 + ... + 175511.
It is an arithmetic number, because the mean of its divisors is an integer number (106728336).
Almost surely, 21530110421 is an apocalyptic number.
It is an amenable number.
1530110421 is a deficient number, since it is larger than the sum of its proper divisors (1031369643).
1530110421 is a wasteful number, since it uses less digits than its factorization.
1530110421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 342161 (or 342158 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 1530110421 is about 39116.6258897671. The cubic root of 1530110421 is about 1152.3230724554.
Adding to 1530110421 its reverse (1240110351), we get a palindrome (2770220772).
The spelling of 1530110421 in words is "one billion, five hundred thirty million, one hundred ten thousand, four hundred twenty-one".
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