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13125403020041 = 131009646386157
BaseRepresentation
bin1011111011111111111011…
…1111000000101100001001
31201110202221220101222220022
42332333332333000230021
53210021311133120131
643525421002310225
72523164502601664
oct276777677005411
951422856358808
1013125403020041
1142004a790a834
12157b95aab8375
1374294935c460
143353b6b7c6db
1517b64db5237b
hexbeffefc0b09

13125403020041 has 4 divisors (see below), whose sum is σ = 14135049406212. Its totient is φ = 12115756633872.

The previous prime is 13125403020017. The next prime is 13125403020227. The reversal of 13125403020041 is 14002030452131.

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 8224620979600 + 4900782040441 = 2867860^2 + 2213771^2 .

It is a cyclic number.

It is not a de Polignac number, because 13125403020041 - 230 = 13124329278217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13125403026041) 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, 504823193066 + ... + 504823193091.

It is an arithmetic number, because the mean of its divisors is an integer number (3533762351553).

Almost surely, 213125403020041 is an apocalyptic number.

It is an amenable number.

13125403020041 is a deficient number, since it is larger than the sum of its proper divisors (1009646386171).

13125403020041 is a wasteful number, since it uses less digits than its factorization.

13125403020041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009646386170.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13125403020041 its reverse (14002030452131), we get a palindrome (27127433472172).

The spelling of 13125403020041 in words is "thirteen trillion, one hundred twenty-five billion, four hundred three million, twenty thousand, forty-one".

Divisors: 1 13 1009646386157 13125403020041