Search a number
-
+
12030313001321 = 32577649482897
BaseRepresentation
bin1010111100010000011010…
…0010000111000101101001
31120121002100012100010021002
42233010012202013011221
53034101040112020241
641330352142524345
72351106241200446
oct257040642070551
946532305303232
1012030313001321
11391903307240a
12142367b5966b5
136935b8885464
142d83ad8229cd
1515ce0927589b
hexaf106887169

12030313001321 has 8 divisors (see below), whose sum is σ = 12035604882600. Its totient is φ = 12025022107648.

The previous prime is 12030313001263. The next prime is 12030313001393. The reversal of 12030313001321 is 12310031303021.

It can be written as a sum of positive squares in 4 ways, for example, as 2399153166400 + 9631159834921 = 1548920^2 + 3103411^2 .

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 12030313001321 - 210 = 12030313000297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12030313001293 and 12030313001302.

It is not an unprimeable number, because it can be changed into a prime (12030313001521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24671345 + ... + 25154241.

It is an arithmetic number, because the mean of its divisors is an integer number (1504450610325).

Almost surely, 212030313001321 is an apocalyptic number.

It is an amenable number.

12030313001321 is a deficient number, since it is larger than the sum of its proper divisors (5291881279).

12030313001321 is an equidigital number, since it uses as much as digits as its factorization.

12030313001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493803.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12030313001321 its reverse (12310031303021), we get a palindrome (24340344304342).

The spelling of 12030313001321 in words is "twelve trillion, thirty billion, three hundred thirteen million, one thousand, three hundred twenty-one".

Divisors: 1 3257 7649 482897 24912793 1572795529 3693679153 12030313001321