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130233211 = 871314947
BaseRepresentation
bin1111100001100…
…11001101111011
3100002001112101021
413300303031323
5231314430321
620531203311
73140651443
oct760631573
9302045337
10130233211
1167571159
1237746537
1320c9a994
1413421123
15b677941
hex7c3337b

130233211 has 4 divisors (see below), whose sum is σ = 130256872. Its totient is φ = 130209552.

The previous prime is 130233203. The next prime is 130233281. The reversal of 130233211 is 112332031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112332031 = 716047433.

It is a cyclic number.

It is not a de Polignac number, because 130233211 - 23 = 130233203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130233281) 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, 1240 + ... + 16186.

It is an arithmetic number, because the mean of its divisors is an integer number (32564218).

Almost surely, 2130233211 is an apocalyptic number.

130233211 is a deficient number, since it is larger than the sum of its proper divisors (23661).

130233211 is an equidigital number, since it uses as much as digits as its factorization.

130233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23660.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 130233211 is about 11411.9766473648. The cubic root of 130233211 is about 506.8824439209.

Adding to 130233211 its reverse (112332031), we get a palindrome (242565242).

The spelling of 130233211 in words is "one hundred thirty million, two hundred thirty-three thousand, two hundred eleven".

Divisors: 1 8713 14947 130233211