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36240131405 = 57248026281
BaseRepresentation
bin100001110000000101…
…001000010101001101
310110112122012102102002
4201300011020111031
51043204433201110
624352023442045
72422031014532
oct416005102515
9113478172362
1036240131405
1114407678125
1270348b6325
13355712974a
141a7b0c4d89
15e21896aa5
hex87014854d

36240131405 has 4 divisors (see below), whose sum is σ = 43488157692. Its totient is φ = 28992105120.

The previous prime is 36240131353. The next prime is 36240131413. The reversal of 36240131405 is 50413104263.

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 6020828836 + 30219302569 = 77594^2 + 173837^2 .

It is not a de Polignac number, because 36240131405 - 26 = 36240131341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3624013136 + ... + 3624013145.

It is an arithmetic number, because the mean of its divisors is an integer number (10872039423).

Almost surely, 236240131405 is an apocalyptic number.

It is an amenable number.

36240131405 is a deficient number, since it is larger than the sum of its proper divisors (7248026287).

36240131405 is an equidigital number, since it uses as much as digits as its factorization.

36240131405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248026286.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 36240131405 its reverse (50413104263), we get a palindrome (86653235668).

The spelling of 36240131405 in words is "thirty-six billion, two hundred forty million, one hundred thirty-one thousand, four hundred five".

Divisors: 1 5 7248026281 36240131405