Search a number
-
+
287733540084 = 22323977795007
BaseRepresentation
bin1000010111111100100…
…00010110010011110100
31000111200122102022002220
410023332100112103310
514203234241240314
6340103304202340
726534206510464
oct4137620262364
91014618368086
10287733540084
1110103309a421
12479214693b0
13211967106c3
14dcd7da1ba4
1577408573a9
hex42fe4164f4

287733540084 has 12 divisors (see below), whose sum is σ = 671378260224. Its totient is φ = 95911180024.

The previous prime is 287733540067. The next prime is 287733540109. The reversal of 287733540084 is 480045337782.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 11988897492 + ... + 11988897515.

It is an arithmetic number, because the mean of its divisors is an integer number (55948188352).

Almost surely, 2287733540084 is an apocalyptic number.

It is an amenable number.

287733540084 is an abundant number, since it is smaller than the sum of its proper divisors (383644720140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287733540084 is a wasteful number, since it uses less digits than its factorization.

287733540084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23977795014 (or 23977795012 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 287733540084 in words is "two hundred eighty-seven billion, seven hundred thirty-three million, five hundred forty thousand, eighty-four".

Divisors: 1 2 3 4 6 12 23977795007 47955590014 71933385021 95911180028 143866770042 287733540084