Base | Representation |
---|---|
bin | 1011010111011110… |
… | …0100001101010001 |
3 | 21212122110011120212 |
4 | 2311313210031101 |
5 | 22222104223241 |
6 | 1222434413505 |
7 | 135420063131 |
oct | 26567441521 |
9 | 7778404525 |
10 | 3051242321 |
11 | 132638a576 |
12 | 711a31295 |
13 | 3981b623a |
14 | 20d344ac1 |
15 | 12cd16beb |
hex | b5de4351 |
3051242321 has 4 divisors (see below), whose sum is σ = 3054366372. Its totient is φ = 3048118272.
The previous prime is 3051242309. The next prime is 3051242329. The reversal of 3051242321 is 1232421503.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2988262225 + 62980096 = 54665^2 + 7936^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3051242321 is a prime.
It is a super-2 number, since 2×30512423212 = 18620159402922934082, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3051242329) 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 3 ways as a sum of consecutive naturals, for example, 1560560 + ... + 1562513.
It is an arithmetic number, because the mean of its divisors is an integer number (763591593).
Almost surely, 23051242321 is an apocalyptic number.
It is an amenable number.
3051242321 is a deficient number, since it is larger than the sum of its proper divisors (3124051).
3051242321 is an equidigital number, since it uses as much as digits as its factorization.
3051242321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3124050.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 3051242321 is about 55238.0513867026. The cubic root of 3051242321 is about 1450.4148350924.
Adding to 3051242321 its reverse (1232421503), we get a palindrome (4283663824).
The spelling of 3051242321 in words is "three billion, fifty-one million, two hundred forty-two thousand, three hundred twenty-one".
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