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318646121134 = 21173198409789
BaseRepresentation
bin1001010001100001100…
…10011111001010101110
31010110110222220010100011
410220300302133022232
520210041401334014
6402214540123434
732010230224465
oct4506062371256
91113428803304
10318646121134
11113156479070
1251909b3657a
1324081b85793
14115cb6bd9dc
15844e6457c4
hex4a30c9f2ae

318646121134 has 16 divisors (see below), whose sum is σ = 528563680560. Its totient is φ = 142855047360.

The previous prime is 318646121113. The next prime is 318646121141. The reversal of 318646121134 is 431121646813.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99203289 + ... + 99206500.

It is an arithmetic number, because the mean of its divisors is an integer number (33035230035).

Almost surely, 2318646121134 is an apocalyptic number.

318646121134 is a deficient number, since it is larger than the sum of its proper divisors (209917559426).

318646121134 is a wasteful number, since it uses less digits than its factorization.

318646121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198409875.

The product of its digits is 82944, while the sum is 40.

Adding to 318646121134 its reverse (431121646813), we get a palindrome (749767767947).

The spelling of 318646121134 in words is "three hundred eighteen billion, six hundred forty-six million, one hundred twenty-one thousand, one hundred thirty-four".

Divisors: 1 2 11 22 73 146 803 1606 198409789 396819578 2182507679 4365015358 14483914597 28967829194 159323060567 318646121134