Base | Representation |
---|---|
bin | 11000011101100100… |
… | …11100000110101100 |
3 | 1020220021001210100001 |
4 | 30032302130012230 |
5 | 203344022131403 |
6 | 10011101514044 |
7 | 643306462660 |
oct | 141662340654 |
9 | 36807053301 |
10 | 13133005228 |
11 | 562a26a232 |
12 | 2666272924 |
13 | 1313b00315 |
14 | 8c82ac8a0 |
15 | 51ce75c1d |
hex | 30ec9c1ac |
13133005228 has 24 divisors (see below), whose sum is σ = 26454982400. Its totient is φ = 5587936848.
The previous prime is 13133005153. The next prime is 13133005229. The reversal of 13133005228 is 82250033131.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 13133005196 and 13133005205.
It is not an unprimeable number, because it can be changed into a prime (13133005229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683288 + ... + 1691071.
Almost surely, 213133005228 is an apocalyptic number.
It is an amenable number.
13133005228 is an abundant number, since it is smaller than the sum of its proper divisors (13321977172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13133005228 is a wasteful number, since it uses less digits than its factorization.
13133005228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3374509 (or 3374507 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
Adding to 13133005228 its reverse (82250033131), we get a palindrome (95383038359).
The spelling of 13133005228 in words is "thirteen billion, one hundred thirty-three million, five thousand, two hundred twenty-eight".
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