Base | Representation |
---|---|
bin | 11000011100001011… |
… | …10010011110110010 |
3 | 1020212110001010022222 |
4 | 30032011302132302 |
5 | 203333023103102 |
6 | 10010003001042 |
7 | 643105133060 |
oct | 141605623662 |
9 | 36773033288 |
10 | 13121300402 |
11 | 56236a5221 |
12 | 2662369182 |
13 | 13115627a2 |
14 | 8c6903030 |
15 | 51be12aa2 |
hex | 30e1727b2 |
13121300402 has 64 divisors (see below), whose sum is σ = 23980769280. Its totient is φ = 5259655296.
The previous prime is 13121300389. The next prime is 13121300453. The reversal of 13121300402 is 20400312131.
13121300402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7870373 + ... + 7872039.
It is an arithmetic number, because the mean of its divisors is an integer number (374699520).
Almost surely, 213121300402 is an apocalyptic number.
13121300402 is a deficient number, since it is larger than the sum of its proper divisors (10859468878).
13121300402 is a wasteful number, since it uses less digits than its factorization.
13121300402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2055.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 13121300402 its reverse (20400312131), we get a palindrome (33521612533).
The spelling of 13121300402 in words is "thirteen billion, one hundred twenty-one million, three hundred thousand, four hundred two".
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