Base | Representation |
---|---|
bin | 11000011100001010… |
… | …00100000100100000 |
3 | 1020212102200110120022 |
4 | 30032011010010200 |
5 | 203333001012204 |
6 | 10005554533012 |
7 | 643103411621 |
oct | 141605040440 |
9 | 36772613508 |
10 | 13121110304 |
11 | 5623585415 |
12 | 2662297168 |
13 | 13114c70c3 |
14 | 8c6893a48 |
15 | 51bdc65be |
hex | 30e144120 |
13121110304 has 12 divisors (see below), whose sum is σ = 25832185974. Its totient is φ = 6560555136.
The previous prime is 13121110271. The next prime is 13121110333. The reversal of 13121110304 is 40301112131.
It can be written as a sum of positive squares in only one way, i.e., 8996901904 + 4124208400 = 94852^2 + 64220^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205017317 + ... + 205017380.
Almost surely, 213121110304 is an apocalyptic number.
It is an amenable number.
13121110304 is a deficient number, since it is larger than the sum of its proper divisors (12711075670).
13121110304 is an equidigital number, since it uses as much as digits as its factorization.
13121110304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410034707 (or 410034699 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 13121110304 its reverse (40301112131), we get a palindrome (53422222435).
The spelling of 13121110304 in words is "thirteen billion, one hundred twenty-one million, one hundred ten thousand, three hundred four".
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