Base | Representation |
---|---|
bin | 111100011010001… |
… | …111100101010010 |
3 | 2121122002202211010 |
4 | 330122033211102 |
5 | 4033424400110 |
6 | 244323031350 |
7 | 34054500012 |
oct | 7432174522 |
9 | 2548082733 |
10 | 1013512530 |
11 | 480112a68 |
12 | 24350b556 |
13 | 131c8b774 |
14 | 98867c42 |
15 | 5dea0020 |
hex | 3c68f952 |
1013512530 has 32 divisors (see below), whose sum is σ = 2441231424. Its totient is φ = 269292096.
The previous prime is 1013512517. The next prime is 1013512531. The reversal of 1013512530 is 352153101.
It is a junction number, because it is equal to n+sod(n) for n = 1013512497 and 1013512506.
It is not an unprimeable number, because it can be changed into a prime (1013512531) 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, 52672 + ... + 69291.
It is an arithmetic number, because the mean of its divisors is an integer number (76288482).
Almost surely, 21013512530 is an apocalyptic number.
1013512530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1013512530 is an abundant number, since it is smaller than the sum of its proper divisors (1427718894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1013512530 is a wasteful number, since it uses less digits than its factorization.
1013512530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122250.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 1013512530 is about 31835.7115516522. The cubic root of 1013512530 is about 1004.4840399990.
Adding to 1013512530 its reverse (352153101), we get a palindrome (1365665631).
The spelling of 1013512530 in words is "one billion, thirteen million, five hundred twelve thousand, five hundred thirty".
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