Base | Representation |
---|---|
bin | 100111001000111… |
… | …1101010001000010 |
3 | 10101112021002101211 |
4 | 1032101331101002 |
5 | 10142203031432 |
6 | 334153120334 |
7 | 44355060100 |
oct | 11621752102 |
9 | 3345232354 |
10 | 1313330242 |
11 | 6143824a4 |
12 | 3079b90aa |
13 | 17c1245b3 |
14 | c65d0c70 |
15 | 7a474d47 |
hex | 4e47d442 |
1313330242 has 12 divisors (see below), whose sum is σ = 2291627430. Its totient is φ = 562855776.
The previous prime is 1313330233. The next prime is 1313330243. The reversal of 1313330242 is 2420333131.
It can be written as a sum of positive squares in only one way, i.e., 1024704121 + 288626121 = 32011^2 + 16989^2 .
It is not an unprimeable number, because it can be changed into a prime (1313330243) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6700567 + ... + 6700762.
Almost surely, 21313330242 is an apocalyptic number.
1313330242 is a deficient number, since it is larger than the sum of its proper divisors (978297188).
1313330242 is a wasteful number, since it uses less digits than its factorization.
1313330242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13401345 (or 13401338 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 1313330242 is about 36239.8984821978. The cubic root of 1313330242 is about 1095.1105973096.
Adding to 1313330242 its reverse (2420333131), we get a palindrome (3733663373).
The spelling of 1313330242 in words is "one billion, three hundred thirteen million, three hundred thirty thousand, two hundred forty-two".
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