Base | Representation |
---|---|
bin | 100110101111100… |
… | …1001110111110010 |
3 | 10100121012110221020 |
4 | 1031133021313302 |
5 | 10130300400110 |
6 | 332555440310 |
7 | 44133631665 |
oct | 11537116762 |
9 | 3317173836 |
10 | 1300012530 |
11 | 607906723 |
12 | 303456096 |
13 | 1794408ab |
14 | c49256dc |
15 | 791e3d70 |
hex | 4d7c9df2 |
1300012530 has 16 divisors (see below), whose sum is σ = 3120030144. Its totient is φ = 346670000.
The previous prime is 1300012481. The next prime is 1300012561. The reversal of 1300012530 is 352100031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21666846 + ... + 21666905.
It is an arithmetic number, because the mean of its divisors is an integer number (195001884).
Almost surely, 21300012530 is an apocalyptic number.
1300012530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1300012530 is an abundant number, since it is smaller than the sum of its proper divisors (1820017614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1300012530 is a wasteful number, since it uses less digits than its factorization.
1300012530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43333761.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 1300012530 is about 36055.6865140577. The cubic root of 1300012530 is about 1091.3963894993.
Adding to 1300012530 its reverse (352100031), we get a palindrome (1652112561).
The spelling of 1300012530 in words is "one billion, three hundred million, twelve thousand, five hundred thirty".
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