Search a number
-
+
52164782380 = 2257335729303
BaseRepresentation
bin110000100101010000…
…110110100100101100
311222122110020111210001
4300211100312210230
51323313141014010
635544132154044
73524456222434
oct604520664454
9158573214701
1052164782380
11201397290a7
12a139a68924
134bc43c0549
14274c0412c4
151554956c3a
hexc2543692c

52164782380 has 24 divisors (see below), whose sum is σ = 111046676832. Its totient is φ = 20580077952.

The previous prime is 52164782363. The next prime is 52164782413. The reversal of 52164782380 is 8328746125.

It is a self number, because there is not a number n which added to its sum of digits gives 52164782380.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17863192 + ... + 17866111.

It is an arithmetic number, because the mean of its divisors is an integer number (4626944868).

Almost surely, 252164782380 is an apocalyptic number.

It is an amenable number.

52164782380 is an abundant number, since it is smaller than the sum of its proper divisors (58881894452).

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

52164782380 is a wasteful number, since it uses less digits than its factorization.

52164782380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35729385 (or 35729383 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 52164782380 in words is "fifty-two billion, one hundred sixty-four million, seven hundred eighty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 35729303 71458606 142917212 178646515 357293030 714586060 2608239119 5216478238 10432956476 13041195595 26082391190 52164782380