Search a number
-
+
84715580220 = 22352834989139
BaseRepresentation
bin100111011100101110…
…0010010101100111100
322002122222022100222020
41032321130102230330
52341444142031340
6102530124520140
76056221356615
oct1167134225474
9262588270866
1084715580220
1132a22811317
12145030b0050
137cb108c37b
144159160c0c
15230c4929d0
hex13b9712b3c

84715580220 has 48 divisors (see below), whose sum is σ = 238041847680. Its totient is φ = 22510990656.

The previous prime is 84715580197. The next prime is 84715580227. The reversal of 84715580220 is 2208551748.

It is a super-2 number, since 2×847155802202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84715580227) 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, 2477590 + ... + 2511549.

It is an arithmetic number, because the mean of its divisors is an integer number (4959205160).

Almost surely, 284715580220 is an apocalyptic number.

It is an amenable number.

84715580220 is an abundant number, since it is smaller than the sum of its proper divisors (153326267460).

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

84715580220 is a wasteful number, since it uses less digits than its factorization.

84715580220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989434 (or 4989432 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 84715580220 in words is "eighty-four billion, seven hundred fifteen million, five hundred eighty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 283 566 849 1132 1415 1698 2830 3396 4245 5660 8490 16980 4989139 9978278 14967417 19956556 24945695 29934834 49891390 59869668 74837085 99782780 149674170 299348340 1411926337 2823852674 4235779011 5647705348 7059631685 8471558022 14119263370 16943116044 21178895055 28238526740 42357790110 84715580220