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113243343401 = 387729209013
BaseRepresentation
bin110100101110111010…
…1000100101000101001
3101211022010022220002202
41221131311010220221
53323410243442101
6124005005505545
711116163352056
oct1513565045051
9354263286082
10113243343401
1144031a08001
1219b44b722b5
13a8a9433006
1456a3c5202d
152e2bc0836b
hex1a5dd44a29

113243343401 has 4 divisors (see below), whose sum is σ = 113272556292. Its totient is φ = 113214130512.

The previous prime is 113243343383. The next prime is 113243343403. The reversal of 113243343401 is 104343342311.

It is a happy number.

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 76032547600 + 37210795801 = 275740^2 + 192901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113243343401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113243343403) 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, 14600630 + ... + 14608383.

It is an arithmetic number, because the mean of its divisors is an integer number (28318139073).

Almost surely, 2113243343401 is an apocalyptic number.

It is an amenable number.

113243343401 is a deficient number, since it is larger than the sum of its proper divisors (29212891).

113243343401 is an equidigital number, since it uses as much as digits as its factorization.

113243343401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29212890.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 113243343401 its reverse (104343342311), we get a palindrome (217586685712).

The spelling of 113243343401 in words is "one hundred thirteen billion, two hundred forty-three million, three hundred forty-three thousand, four hundred one".

Divisors: 1 3877 29209013 113243343401