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120303320321 = 569321131797
BaseRepresentation
bin111000000001010100…
…0101111110100000001
3102111112010220212202102
41300002220233310001
53432340122222241
6131133325400145
711456141231132
oct1600250576401
9374463825672
10120303320321
11470250a7178
121b395409055
13b462ca8552
145b73741c89
1531e191d39b
hex1c02a2fd01

120303320321 has 4 divisors (see below), whose sum is σ = 120324457812. Its totient is φ = 120282182832.

The previous prime is 120303320239. The next prime is 120303320327. The reversal of 120303320321 is 123023303021.

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 68392710400 + 51910609921 = 261520^2 + 227839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120303320321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120303320293 and 120303320302.

It is not an unprimeable number, because it can be changed into a prime (120303320327) 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, 10560206 + ... + 10571591.

It is an arithmetic number, because the mean of its divisors is an integer number (30081114453).

Almost surely, 2120303320321 is an apocalyptic number.

It is an amenable number.

120303320321 is a deficient number, since it is larger than the sum of its proper divisors (21137491).

120303320321 is an equidigital number, since it uses as much as digits as its factorization.

120303320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21137490.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 120303320321 its reverse (123023303021), we get a palindrome (243326623342).

The spelling of 120303320321 in words is "one hundred twenty billion, three hundred three million, three hundred twenty thousand, three hundred twenty-one".

Divisors: 1 5693 21131797 120303320321