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120110130209 = 177065301777
BaseRepresentation
bin110111111011100011…
…1110010010000100001
3102111000200101210202002
41233313013302100201
53431441143131314
6131102224533345
711451304155506
oct1576707622041
9374020353662
10120110130209
1146a36045623
121b340781255
13b431c66a84
145b55c134ad
1531ce9abade
hex1bf71f2421

120110130209 has 4 divisors (see below), whose sum is σ = 127175432004. Its totient is φ = 113044828416.

The previous prime is 120110130197. The next prime is 120110130227. The reversal of 120110130209 is 902031011021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 902031011021 = 7128861573003.

It can be written as a sum of positive squares in 2 ways, for example, as 33613555600 + 86496574609 = 183340^2 + 294103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120110130209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120110138209) 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, 3532650872 + ... + 3532650905.

It is an arithmetic number, because the mean of its divisors is an integer number (31793858001).

Almost surely, 2120110130209 is an apocalyptic number.

It is an amenable number.

120110130209 is a deficient number, since it is larger than the sum of its proper divisors (7065301795).

120110130209 is an equidigital number, since it uses as much as digits as its factorization.

120110130209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065301794.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 120110130209 in words is "one hundred twenty billion, one hundred ten million, one hundred thirty thousand, two hundred nine".

Divisors: 1 17 7065301777 120110130209