Base | Representation |
---|---|
bin | 11000011001111111… |
… | …11111000111001001 |
3 | 1020211011121110201111 |
4 | 30030333333013021 |
5 | 203313332031212 |
6 | 10004110450321 |
7 | 642463452115 |
oct | 141477770711 |
9 | 36734543644 |
10 | 13103002057 |
11 | 5614337422 |
12 | 26582039a1 |
13 | 130a826a72 |
14 | 8c42dc745 |
15 | 51a4eaea7 |
hex | 30cfff1c9 |
13103002057 has 2 divisors, whose sum is σ = 13103002058. Its totient is φ = 13103002056.
The previous prime is 13103002027. The next prime is 13103002061. The reversal of 13103002057 is 75020030131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13028852736 + 74149321 = 114144^2 + 8611^2 .
It is a cyclic number.
It is not a de Polignac number, because 13103002057 - 219 = 13102477769 is a prime.
It is not a weakly prime, because it can be changed into another prime (13103002007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551501028 + 6551501029.
It is an arithmetic number, because the mean of its divisors is an integer number (6551501029).
Almost surely, 213103002057 is an apocalyptic number.
It is an amenable number.
13103002057 is a deficient number, since it is larger than the sum of its proper divisors (1).
13103002057 is an equidigital number, since it uses as much as digits as its factorization.
13103002057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 630, while the sum is 22.
Adding to 13103002057 its reverse (75020030131), we get a palindrome (88123032188).
The spelling of 13103002057 in words is "thirteen billion, one hundred three million, two thousand, fifty-seven".
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