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104112213397 = 569182974013
BaseRepresentation
bin110000011110110010…
…0100100110110010101
3100221201202111102112121
41200331210210312111
53201210211312042
6115454542015541
710343666132563
oct1407544446625
9327652442477
10104112213397
11401766a2975
1218216b775b1
139a8275caca
145079264a33
152a95278367
hex183d924d95

104112213397 has 4 divisors (see below), whose sum is σ = 104295187980. Its totient is φ = 103929238816.

The previous prime is 104112213391. The next prime is 104112213427. The reversal of 104112213397 is 793312211401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793312211401 = 2172413651761.

It can be written as a sum of positive squares in 2 ways, for example, as 11068302436 + 93043910961 = 105206^2 + 305031^2 .

It is a cyclic number.

It is not a de Polignac number, because 104112213397 - 223 = 104103824789 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 (104112213391) 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, 91486438 + ... + 91487575.

It is an arithmetic number, because the mean of its divisors is an integer number (26073796995).

Almost surely, 2104112213397 is an apocalyptic number.

It is an amenable number.

104112213397 is a deficient number, since it is larger than the sum of its proper divisors (182974583).

104112213397 is an equidigital number, since it uses as much as digits as its factorization.

104112213397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182974582.

The product of its (nonzero) digits is 9072, while the sum is 34.

Adding to 104112213397 its reverse (793312211401), we get a palindrome (897424424798).

The spelling of 104112213397 in words is "one hundred four billion, one hundred twelve million, two hundred thirteen thousand, three hundred ninety-seven".

Divisors: 1 569 182974013 104112213397