Base | Representation |
---|---|
bin | 100110110010011… |
… | …1000010001110011 |
3 | 10100201000201122110 |
4 | 1031210320101303 |
5 | 10131141411311 |
6 | 333051540403 |
7 | 44152452336 |
oct | 11544702163 |
9 | 3321021573 |
10 | 1301513331 |
11 | 608741258 |
12 | 303a5a703 |
13 | 179847a41 |
14 | c4bd661d |
15 | 793dd8a6 |
hex | 4d938473 |
1301513331 has 32 divisors (see below), whose sum is σ = 1841430528. Its totient is φ = 816441120.
The previous prime is 1301513329. The next prime is 1301513333. The reversal of 1301513331 is 1333151031.
It is an interprime number because it is at equal distance from previous prime (1301513329) and next prime (1301513333).
It is not a de Polignac number, because 1301513331 - 21 = 1301513329 is a prime.
It is a super-2 number, since 2×13015133312 = 3387873901541431122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1301513298 and 1301513307.
It is not an unprimeable number, because it can be changed into a prime (1301513333) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729066 + ... + 730848.
It is an arithmetic number, because the mean of its divisors is an integer number (57544704).
Almost surely, 21301513331 is an apocalyptic number.
1301513331 is a deficient number, since it is larger than the sum of its proper divisors (539917197).
1301513331 is a wasteful number, since it uses less digits than its factorization.
1301513331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2031.
The product of its (nonzero) digits is 405, while the sum is 21.
The square root of 1301513331 is about 36076.4927757674. The cubic root of 1301513331 is about 1091.8162159344.
Adding to 1301513331 its reverse (1333151031), we get a palindrome (2634664362).
The spelling of 1301513331 in words is "one billion, three hundred one million, five hundred thirteen thousand, three hundred thirty-one".
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