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318880068311 = 745554295473
BaseRepresentation
bin1001010001111101011…
…10111011001011010111
31010111002022002212112102
410220332232323023113
520211031244141221
6402254054312315
732016100600310
oct4507656731327
91114068085472
10318880068311
11113266538042
125197435869b
13240bb49756c
14116107bb607
158464e5830b
hex4a3ebbb2d7

318880068311 has 4 divisors (see below), whose sum is σ = 364434363792. Its totient is φ = 273325772832.

The previous prime is 318880068307. The next prime is 318880068317. The reversal of 318880068311 is 113860088813.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 318880068311 - 22 = 318880068307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318880068317) 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, 22777147730 + ... + 22777147743.

It is an arithmetic number, because the mean of its divisors is an integer number (91108590948).

Almost surely, 2318880068311 is an apocalyptic number.

318880068311 is a deficient number, since it is larger than the sum of its proper divisors (45554295481).

318880068311 is an equidigital number, since it uses as much as digits as its factorization.

318880068311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45554295480.

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 318880068311 in words is "three hundred eighteen billion, eight hundred eighty million, sixty-eight thousand, three hundred eleven".

Divisors: 1 7 45554295473 318880068311