Search a number
-
+
1030300312021 = 3173373963581
BaseRepresentation
bin11101111111000101010…
…11110010000111010101
310122111101101210202111121
432333202223302013111
5113340023334441041
62105151411203541
7134302542104101
oct16774253620725
93574341722447
101030300312021
11367a47736882
121478195a65b1
137620693a756
1437c1c706901
151bc019117d1
hexefe2af21d5

1030300312021 has 8 divisors (see below), whose sum is σ = 1033857962424. Its totient is φ = 1026744596160.

The previous prime is 1030300311913. The next prime is 1030300312049. The reversal of 1030300312021 is 1202130030301.

It can be written as a sum of positive squares in 4 ways, for example, as 107761192900 + 922539119121 = 328270^2 + 960489^2 .

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 1030300312021 - 223 = 1030291923413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030300311986 and 1030300312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030300312051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587451 + ... + 1551031.

It is an arithmetic number, because the mean of its divisors is an integer number (129232245303).

Almost surely, 21030300312021 is an apocalyptic number.

It is an amenable number.

1030300312021 is a deficient number, since it is larger than the sum of its proper divisors (3557650403).

1030300312021 is an equidigital number, since it uses as much as digits as its factorization.

1030300312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967271.

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

Adding to 1030300312021 its reverse (1202130030301), we get a palindrome (2232430342322).

The spelling of 1030300312021 in words is "one trillion, thirty billion, three hundred million, three hundred twelve thousand, twenty-one".

Divisors: 1 317 3373 963581 1069241 305455177 3250158713 1030300312021