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130212012311 = 866915020419
BaseRepresentation
bin111100101000100111…
…1011010000100010111
3110110002200212120211122
41321101033122010113
54113133233343221
6135452451154155
712256526562023
oct1712117320427
9413080776748
10130212012311
115024a317117
122129b8a595b
13c381aa65c4
1464336d7383
1535c1791eab
hex1e513da117

130212012311 has 4 divisors (see below), whose sum is σ = 130227041400. Its totient is φ = 130196983224.

The previous prime is 130212012277. The next prime is 130212012377. The reversal of 130212012311 is 113210212031.

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-130212012311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130212012311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130212012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7501541 + ... + 7518878.

It is an arithmetic number, because the mean of its divisors is an integer number (32556760350).

Almost surely, 2130212012311 is an apocalyptic number.

130212012311 is a deficient number, since it is larger than the sum of its proper divisors (15029089).

130212012311 is an equidigital number, since it uses as much as digits as its factorization.

130212012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15029088.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 130212012311 its reverse (113210212031), we get a palindrome (243422224342).

The spelling of 130212012311 in words is "one hundred thirty billion, two hundred twelve million, twelve thousand, three hundred eleven".

Divisors: 1 8669 15020419 130212012311