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120323113213 = 177077830189
BaseRepresentation
bin111000000001111010…
…0010000000011111101
3102111120112011110111111
41300003310100003331
53432410204110323
6131135313522021
711456501405302
oct1600364200375
9374515143444
10120323113213
1147035295936
121b39bb73311
13b467118614
145b762150a9
1531e352cc0d
hex1c03d100fd

120323113213 has 4 divisors (see below), whose sum is σ = 127400943420. Its totient is φ = 113245283008.

The previous prime is 120323113199. The next prime is 120323113217. The reversal of 120323113213 is 312311323021.

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 91081429209 + 29241684004 = 301797^2 + 171002^2 .

It is a cyclic number.

It is not a de Polignac number, because 120323113213 - 25 = 120323113181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120323113217) 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, 3538915078 + ... + 3538915111.

It is an arithmetic number, because the mean of its divisors is an integer number (31850235855).

Almost surely, 2120323113213 is an apocalyptic number.

It is an amenable number.

120323113213 is a deficient number, since it is larger than the sum of its proper divisors (7077830207).

120323113213 is an equidigital number, since it uses as much as digits as its factorization.

120323113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077830206.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 120323113213 its reverse (312311323021), we get a palindrome (432634436234).

The spelling of 120323113213 in words is "one hundred twenty billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred thirteen".

Divisors: 1 17 7077830189 120323113213