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1210130013 = 3403376671
BaseRepresentation
bin100100000100001…
…0001111001011101
310010100001222022010
41020020101321131
54434243130023
6320025141433
741662635561
oct11010217135
93110058263
101210130013
115710a5654
1229932a879
13163930281
14b6a096a1
157138c093
hex48211e5d

1210130013 has 4 divisors (see below), whose sum is σ = 1613506688. Its totient is φ = 806753340.

The previous prime is 1210130011. The next prime is 1210130021. The reversal of 1210130013 is 3100310121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1210130013 - 21 = 1210130011 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210130011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201688333 + ... + 201688338.

It is an arithmetic number, because the mean of its divisors is an integer number (403376672).

Almost surely, 21210130013 is an apocalyptic number.

It is an amenable number.

1210130013 is a deficient number, since it is larger than the sum of its proper divisors (403376675).

1210130013 is an equidigital number, since it uses as much as digits as its factorization.

1210130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403376674.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1210130013 is about 34786.9230171339. The cubic root of 1210130013 is about 1065.6404012795.

Adding to 1210130013 its reverse (3100310121), we get a palindrome (4310440134).

The spelling of 1210130013 in words is "one billion, two hundred ten million, one hundred thirty thousand, thirteen".

Divisors: 1 3 403376671 1210130013