Search a number
-
+
52309772480 = 26571719197367
BaseRepresentation
bin110000101101111001…
…111100100011000000
312000000120001202210202
4300231321330203000
51324112300204410
640010351544332
73531166505210
oct605571744300
9160016052722
1052309772480
1120203559329
12a17a52b0a8
134c18456cc4
1427633c4240
151562546ca5
hexc2de7c8c0

52309772480 has 448 divisors, whose sum is σ = 159904419840. Its totient is φ = 15866855424.

The previous prime is 52309772353. The next prime is 52309772503. The reversal of 52309772480 is 8427790325.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142533257 + ... + 142533623.

Almost surely, 252309772480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52309772480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79952209920).

52309772480 is an abundant number, since it is smaller than the sum of its proper divisors (107594647360).

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

52309772480 is a wasteful number, since it uses less digits than its factorization.

52309772480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 52309772480 in words is "fifty-two billion, three hundred nine million, seven hundred seventy-two thousand, four hundred eighty".