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321142110413 = 353909751021
BaseRepresentation
bin1001010110001011000…
…11111011100011001101
31010200220221112111221112
410223011203323203031
520230144340013123
6403310341541405
732126125620245
oct4530543734315
91120827474845
10321142110413
11114217392823
12522a5a14865
132438c00c507
1411786da8b25
15854882cd78
hex4ac58fb8cd

321142110413 has 4 divisors (see below), whose sum is σ = 322051861788. Its totient is φ = 320232359040.

The previous prime is 321142110361. The next prime is 321142110431. The reversal of 321142110413 is 314011241123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 181623425929 + 139518684484 = 426173^2 + 373522^2 .

It is a cyclic number.

It is not a de Polignac number, because 321142110413 - 26 = 321142110349 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 (321142110493) 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, 454875158 + ... + 454875863.

It is an arithmetic number, because the mean of its divisors is an integer number (80512965447).

Almost surely, 2321142110413 is an apocalyptic number.

It is an amenable number.

321142110413 is a deficient number, since it is larger than the sum of its proper divisors (909751375).

321142110413 is an equidigital number, since it uses as much as digits as its factorization.

321142110413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909751374.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 321142110413 its reverse (314011241123), we get a palindrome (635153351536).

The spelling of 321142110413 in words is "three hundred twenty-one billion, one hundred forty-two million, one hundred ten thousand, four hundred thirteen".

Divisors: 1 353 909751021 321142110413