Base | Representation |
---|---|
bin | 100110110010011… |
… | …1110111001000101 |
3 | 10100201002002210210 |
4 | 1031210332321011 |
5 | 10131143243141 |
6 | 333052310033 |
7 | 44152624326 |
oct | 11544767105 |
9 | 3321062723 |
10 | 1301540421 |
11 | 60875a645 |
12 | 303a72319 |
13 | 17985717c |
14 | c4c0244d |
15 | 793e6916 |
hex | 4d93ee45 |
1301540421 has 8 divisors (see below), whose sum is σ = 1735663680. Its totient is φ = 867555392.
The previous prime is 1301540407. The next prime is 1301540431. The reversal of 1301540421 is 1240451031.
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 1301540421 - 27 = 1301540293 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1301540431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10116 + ... + 52013.
It is an arithmetic number, because the mean of its divisors is an integer number (216957960).
Almost surely, 21301540421 is an apocalyptic number.
It is an amenable number.
1301540421 is a deficient number, since it is larger than the sum of its proper divisors (434123259).
1301540421 is an equidigital number, since it uses as much as digits as its factorization.
1301540421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69115.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 1301540421 is about 36076.8682260531. The cubic root of 1301540421 is about 1091.8237909871.
Adding to 1301540421 its reverse (1240451031), we get a palindrome (2541991452).
The spelling of 1301540421 in words is "one billion, three hundred one million, five hundred forty thousand, four hundred twenty-one".
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