Base | Representation |
---|---|
bin | 11000011101010000… |
… | …01111010001001011 |
3 | 1020220002000221021101 |
4 | 30032220033101023 |
5 | 203342331044321 |
6 | 10010524322231 |
7 | 643244655004 |
oct | 141650172113 |
9 | 36802027241 |
10 | 13130331211 |
11 | 56288031a8 |
12 | 26653a3377 |
13 | 13133a516a |
14 | 8c7bb41ab |
15 | 51cae8791 |
hex | 30ea0f44b |
13130331211 has 8 divisors (see below), whose sum is σ = 13172930000. Its totient is φ = 13087798560.
The previous prime is 13130331209. The next prime is 13130331217. The reversal of 13130331211 is 11213303131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13130331211 - 21 = 13130331209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13130331217) 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, 397801 + ... + 429541.
It is an arithmetic number, because the mean of its divisors is an integer number (1646616250).
Almost surely, 213130331211 is an apocalyptic number.
13130331211 is a deficient number, since it is larger than the sum of its proper divisors (42598789).
13130331211 is an equidigital number, since it uses as much as digits as its factorization.
13130331211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33069.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 13130331211 its reverse (11213303131), we get a palindrome (24343634342).
The spelling of 13130331211 in words is "thirteen billion, one hundred thirty million, three hundred thirty-one thousand, two hundred eleven".
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