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321010012132213 = 643499237965991
BaseRepresentation
bin100100011111101001111011…
…1101111100001001101110101
31120002121020221200102112101111
41020333103313233201031311
5314033412001101212323
63054421544055355021
7124421131232132605
oct11077236757411565
91502536850375344
10321010012132213
1193313644153588
1230005a83682a71
1310a1716402ba71
14593ad78adac05
15271a318e13c0d
hex123f4f7be1375

321010012132213 has 4 divisors (see below), whose sum is σ = 321509250098848. Its totient is φ = 320510774165580.

The previous prime is 321010012132207. The next prime is 321010012132223. The reversal of 321010012132213 is 312231210010123.

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 a cyclic number.

It is not a de Polignac number, because 321010012132213 - 221 = 321010010035061 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 (321010012132223) 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, 249618982353 + ... + 249618983638.

It is an arithmetic number, because the mean of its divisors is an integer number (80377312524712).

Almost surely, 2321010012132213 is an apocalyptic number.

It is an amenable number.

321010012132213 is a deficient number, since it is larger than the sum of its proper divisors (499237966635).

321010012132213 is an equidigital number, since it uses as much as digits as its factorization.

321010012132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499237966634.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321010012132213 its reverse (312231210010123), we get a palindrome (633241222142336).

The spelling of 321010012132213 in words is "three hundred twenty-one trillion, ten billion, twelve million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 643 499237965991 321010012132213