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1030301030221 = 1812756837923
BaseRepresentation
bin11101111111000101011…
…10100001011101001101
310122111101110011020200121
432333202232201131031
5113340024030431341
62105151434424541
7134302551155011
oct16774256413515
93574343136617
101030301030221
11367a48087431
12147819892151
1376206b2c618
1437c1c852541
151bc01a044d1
hexefe2ba174d

1030301030221 has 4 divisors (see below), whose sum is σ = 1030357886272. Its totient is φ = 1030244174172.

The previous prime is 1030301030219. The next prime is 1030301030273. The reversal of 1030301030221 is 1220301030301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1030301030221 - 21 = 1030301030219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030301030195 and 1030301030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030301030021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28400835 + ... + 28437088.

It is an arithmetic number, because the mean of its divisors is an integer number (257589471568).

Almost surely, 21030301030221 is an apocalyptic number.

It is an amenable number.

1030301030221 is a deficient number, since it is larger than the sum of its proper divisors (56856051).

1030301030221 is an equidigital number, since it uses as much as digits as its factorization.

1030301030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56856050.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1030301030221 its reverse (1220301030301), we get a palindrome (2250602060522).

The spelling of 1030301030221 in words is "one trillion, thirty billion, three hundred one million, thirty thousand, two hundred twenty-one".

Divisors: 1 18127 56837923 1030301030221