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318918697907 = 4115156990533
BaseRepresentation
bin1001010010000010000…
…10010010001110110011
31010111011222210110101012
410221001002102032303
520211121141313112
6402301554301135
732020050130115
oct4510102221663
91114158713335
10318918697907
11113286322027
12519852877ab
13240c64a1404
14116159953b5
158468539022
hex4a410923b3

318918697907 has 16 divisors (see below), whose sum is σ = 329442361920. Its totient is φ = 308533056000.

The previous prime is 318918697901. The next prime is 318918697943. The reversal of 318918697907 is 709796819813.

It is a cyclic number.

It is not a de Polignac number, because 318918697907 - 28 = 318918697651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318918697901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477413 + ... + 3567945.

It is an arithmetic number, because the mean of its divisors is an integer number (20590147620).

Almost surely, 2318918697907 is an apocalyptic number.

318918697907 is a deficient number, since it is larger than the sum of its proper divisors (10523664013).

318918697907 is a wasteful number, since it uses less digits than its factorization.

318918697907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91294.

The product of its (nonzero) digits is 41150592, while the sum is 68.

The spelling of 318918697907 in words is "three hundred eighteen billion, nine hundred eighteen million, six hundred ninety-seven thousand, nine hundred seven".

Divisors: 1 41 151 569 6191 23329 85919 90533 3522679 3711853 13670483 51513277 560489803 2112044357 7778504827 318918697907