Base | Representation |
---|---|
bin | 11001001001101110… |
… | …11100001011101100 |
3 | 1021212002001120001020 |
4 | 30210313130023230 |
5 | 210123333240040 |
6 | 10111533014140 |
7 | 655425063624 |
oct | 144467341354 |
9 | 37762046036 |
10 | 13503415020 |
11 | 57aa364627 |
12 | 274a324350 |
13 | 1372781304 |
14 | 92156d884 |
15 | 540741cd0 |
hex | 324ddc2ec |
13503415020 has 48 divisors (see below), whose sum is σ = 37899441888. Its totient is φ = 3592350720.
The previous prime is 13503414989. The next prime is 13503415021. The reversal of 13503415020 is 2051430531.
It is not an unprimeable number, because it can be changed into a prime (13503415021) 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, 242029 + ... + 292548.
It is an arithmetic number, because the mean of its divisors is an integer number (789571706).
Almost surely, 213503415020 is an apocalyptic number.
13503415020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13503415020 is an abundant number, since it is smaller than the sum of its proper divisors (24396026868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13503415020 is a wasteful number, since it uses less digits than its factorization.
13503415020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535010 (or 535008 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
Adding to 13503415020 its reverse (2051430531), we get a palindrome (15554845551).
The spelling of 13503415020 in words is "thirteen billion, five hundred three million, four hundred fifteen thousand, twenty".
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