Base | Representation |
---|---|
bin | 100110110010000… |
… | …1000001100100001 |
3 | 10100200122201111011 |
4 | 1031210020030201 |
5 | 10131114111020 |
6 | 333043420521 |
7 | 44151002215 |
oct | 11544101441 |
9 | 3320581434 |
10 | 1301316385 |
11 | 608617296 |
12 | 303984741 |
13 | 1797a91c5 |
14 | c4b84945 |
15 | 793a035a |
hex | 4d908321 |
1301316385 has 4 divisors (see below), whose sum is σ = 1561579668. Its totient is φ = 1041053104.
The previous prime is 1301316349. The next prime is 1301316389. The reversal of 1301316385 is 5836131031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5836131031 = 1091 ⋅5349341.
It can be written as a sum of positive squares in 2 ways, for example, as 576576144 + 724740241 = 24012^2 + 26921^2 .
It is a cyclic number.
It is not a de Polignac number, because 1301316385 - 27 = 1301316257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1301316389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130131634 + ... + 130131643.
It is an arithmetic number, because the mean of its divisors is an integer number (390394917).
Almost surely, 21301316385 is an apocalyptic number.
It is an amenable number.
1301316385 is a deficient number, since it is larger than the sum of its proper divisors (260263283).
1301316385 is an equidigital number, since it uses as much as digits as its factorization.
1301316385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260263282.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 1301316385 is about 36073.7631111588. The cubic root of 1301316385 is about 1091.7611416661.
The spelling of 1301316385 in words is "one billion, three hundred one million, three hundred sixteen thousand, three hundred eighty-five".
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