Base | Representation |
---|---|
bin | 100110110000000… |
… | …0000111100011001 |
3 | 10100121121221100212 |
4 | 1031200000330121 |
5 | 10130330104410 |
6 | 333004340505 |
7 | 44135561435 |
oct | 11540007431 |
9 | 3317557325 |
10 | 1300238105 |
11 | 607a50151 |
12 | 303544735 |
13 | 1794bc47a |
14 | c49839c5 |
15 | 7923ab05 |
hex | 4d800f19 |
1300238105 has 8 divisors (see below), whose sum is σ = 1568371272. Its totient is φ = 1034800128.
The previous prime is 1300238101. The next prime is 1300238111. The reversal of 1300238105 is 5018320031.
It can be written as a sum of positive squares in 4 ways, for example, as 491401 + 1299746704 = 701^2 + 36052^2 .
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 1300238105 - 22 = 1300238101 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1300238101) 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, 672734 + ... + 674663.
It is an arithmetic number, because the mean of its divisors is an integer number (196046409).
Almost surely, 21300238105 is an apocalyptic number.
It is an amenable number.
1300238105 is a deficient number, since it is larger than the sum of its proper divisors (268133167).
1300238105 is a wasteful number, since it uses less digits than its factorization.
1300238105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1347595.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 1300238105 is about 36058.8145257162. The cubic root of 1300238105 is about 1091.4595113274.
Adding to 1300238105 its reverse (5018320031), we get a palindrome (6318558136).
The spelling of 1300238105 in words is "one billion, three hundred million, two hundred thirty-eight thousand, one hundred five".
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