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120130021331321 = 290341381337007
BaseRepresentation
bin11011010100000111110011…
…001111111001000101111001
3120202100022120201212000122012
4123110013303033321011321
5111221202240430100241
61103254545301135305
734206051626234021
oct3324076317710571
9522308521760565
10120130021331321
1135305946292931
12115820050ba535
13520529b85c891
1421944772cca81
15dd4cce2ce6eb
hex6d41f33f9179

120130021331321 has 4 divisors (see below), whose sum is σ = 120171402671232. Its totient is φ = 120088639991412.

The previous prime is 120130021331273. The next prime is 120130021331347. The reversal of 120130021331321 is 123133120031021.

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 120130021331321 - 222 = 120130017137017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120130021331351) 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, 20690665601 + ... + 20690671406.

It is an arithmetic number, because the mean of its divisors is an integer number (30042850667808).

Almost surely, 2120130021331321 is an apocalyptic number.

It is an amenable number.

120130021331321 is a deficient number, since it is larger than the sum of its proper divisors (41381339911).

120130021331321 is an equidigital number, since it uses as much as digits as its factorization.

120130021331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41381339910.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 120130021331321 its reverse (123133120031021), we get a palindrome (243263141362342).

The spelling of 120130021331321 in words is "one hundred twenty trillion, one hundred thirty billion, twenty-one million, three hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 2903 41381337007 120130021331321