Search a number
-
+
5172612061220 = 225258630603061
BaseRepresentation
bin100101101000101011110…
…1101000101100000100100
3200022111102020011100220122
41023101113231011200210
51134222002141424340
615000133140021112
71042465102034132
oct113212755054044
920274366140818
105172612061220
111714768727a0a
126b65a1391798
132b6a102250b6
1413c4da2c0752
158e841530db5
hex4b457b45824

5172612061220 has 12 divisors (see below), whose sum is σ = 10862485328604. Its totient is φ = 2069044824480.

The previous prime is 5172612061219. The next prime is 5172612061249. The reversal of 5172612061220 is 221602162715.

It can be written as a sum of positive squares in 2 ways, for example, as 1162717950436 + 4009894110784 = 1078294^2 + 2002472^2 .

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, 129315301511 + ... + 129315301550.

It is an arithmetic number, because the mean of its divisors is an integer number (905207110717).

Almost surely, 25172612061220 is an apocalyptic number.

It is an amenable number.

5172612061220 is an abundant number, since it is smaller than the sum of its proper divisors (5689873267384).

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

5172612061220 is a wasteful number, since it uses less digits than its factorization.

5172612061220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258630603070 (or 258630603068 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 5172612061220 in words is "five trillion, one hundred seventy-two billion, six hundred twelve million, sixty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 258630603061 517261206122 1034522412244 1293153015305 2586306030610 5172612061220