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130201211 = 718600173
BaseRepresentation
bin1111100001010…
…11011001111011
3100001222220111002
413300223121323
5231312414321
620530355215
73140456240
oct760533173
9301886432
10130201211
116754a108
123772bb0b
1320c8924a
14134135c7
15b66d20b
hex7c2b67b

130201211 has 4 divisors (see below), whose sum is σ = 148801392. Its totient is φ = 111601032.

The previous prime is 130201189. The next prime is 130201217. The reversal of 130201211 is 112102031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130201211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130201192 and 130201201.

It is not an unprimeable number, because it can be changed into a prime (130201217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9300080 + ... + 9300093.

It is an arithmetic number, because the mean of its divisors is an integer number (37200348).

Almost surely, 2130201211 is an apocalyptic number.

130201211 is a deficient number, since it is larger than the sum of its proper divisors (18600181).

130201211 is an equidigital number, since it uses as much as digits as its factorization.

130201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18600180.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 130201211 is about 11410.5745254128. The cubic root of 130201211 is about 506.8409246423.

Adding to 130201211 its reverse (112102031), we get a palindrome (242303242).

The spelling of 130201211 in words is "one hundred thirty million, two hundred one thousand, two hundred eleven".

Divisors: 1 7 18600173 130201211