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213130132103 = 730447161729
BaseRepresentation
bin1100011001111110001…
…0111011101010000111
3202101010101221111122102
43012133202323222013
511442442303211403
6241524410222315
721253364142350
oct3063742735207
9671111844572
10213130132103
118242a448849
1235380a2499b
1317137654805
14a45bc42d27
15582602db88
hex319f8bba87

213130132103 has 4 divisors (see below), whose sum is σ = 243577293840. Its totient is φ = 182682970368.

The previous prime is 213130132097. The next prime is 213130132121. The reversal of 213130132103 is 301231031312.

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

It is a cyclic number.

It is not a de Polignac number, because 213130132103 - 212 = 213130128007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130132003) 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, 15223580858 + ... + 15223580871.

It is an arithmetic number, because the mean of its divisors is an integer number (60894323460).

Almost surely, 2213130132103 is an apocalyptic number.

213130132103 is a deficient number, since it is larger than the sum of its proper divisors (30447161737).

213130132103 is an equidigital number, since it uses as much as digits as its factorization.

213130132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30447161736.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213130132103 its reverse (301231031312), we get a palindrome (514361163415).

The spelling of 213130132103 in words is "two hundred thirteen billion, one hundred thirty million, one hundred thirty-two thousand, one hundred three".

Divisors: 1 7 30447161729 213130132103