Base | Representation |
---|---|
bin | 101101100110011… |
… | …0001000000100101 |
3 | 10221122002202202000 |
4 | 1123030301000211 |
5 | 11113144320000 |
6 | 411454435513 |
7 | 52626256410 |
oct | 13314610045 |
9 | 3848082660 |
10 | 1530073125 |
11 | 715760649 |
12 | 368502b99 |
13 | 1b4cc1619 |
14 | 1072d0b77 |
15 | 8e4da000 |
hex | 5b331025 |
1530073125 has 80 divisors (see below), whose sum is σ = 3237463680. Its totient is φ = 699408000.
The previous prime is 1530073123. The next prime is 1530073163. The reversal of 1530073125 is 5213700351.
1530073125 is a `hidden beast` number, since 1 + 530 + 0 + 7 + 3 + 125 = 666.
It is not a de Polignac number, because 1530073125 - 21 = 1530073123 is a prime.
It is a super-2 number, since 2×15300731252 = 4682247535694531250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1530073123) by changing a digit.
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 79 ways as a sum of consecutive naturals, for example, 111649 + ... + 124601.
It is an arithmetic number, because the mean of its divisors is an integer number (40468296).
Almost surely, 21530073125 is an apocalyptic number.
1530073125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1530073125 is an abundant number, since it is smaller than the sum of its proper divisors (1707390555).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1530073125 is an equidigital number, since it uses as much as digits as its factorization.
1530073125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12989 (or 12968 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 27.
The square root of 1530073125 is about 39116.1491586276. The cubic root of 1530073125 is about 1152.3137098652.
Adding to 1530073125 its reverse (5213700351), we get a palindrome (6743773476).
The spelling of 1530073125 in words is "one billion, five hundred thirty million, seventy-three thousand, one hundred twenty-five".
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