Base | Representation |
---|---|
bin | 100110110101100… |
… | …0101111011010101 |
3 | 10100211002110220021 |
4 | 1031223011323111 |
5 | 10132101021401 |
6 | 333150505141 |
7 | 44202345052 |
oct | 11553057325 |
9 | 3324073807 |
10 | 1303142101 |
11 | 609653a48 |
12 | 3045051b1 |
13 | 179c98201 |
14 | c50dc029 |
15 | 796112a1 |
hex | 4dac5ed5 |
1303142101 has 4 divisors (see below), whose sum is σ = 1303345600. Its totient is φ = 1302938604.
The previous prime is 1303142063. The next prime is 1303142149. The reversal of 1303142101 is 1012413031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1303142101 - 29 = 1303141589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1303142171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91821 + ... + 105058.
It is an arithmetic number, because the mean of its divisors is an integer number (325836400).
Almost surely, 21303142101 is an apocalyptic number.
It is an amenable number.
1303142101 is a deficient number, since it is larger than the sum of its proper divisors (203499).
1303142101 is an equidigital number, since it uses as much as digits as its factorization.
1303142101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203498.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1303142101 is about 36099.0595583874. The cubic root of 1303142101 is about 1092.2714747346.
Adding to 1303142101 its reverse (1012413031), we get a palindrome (2315555132).
The spelling of 1303142101 in words is "one billion, three hundred three million, one hundred forty-two thousand, one hundred one".
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