Search a number
-
+
64807200384 = 273414116311
BaseRepresentation
bin111100010110110011…
…110110011010000000
320012021112011212221220
4330112303312122000
52030211120403014
645434431115040
74452661054113
oct742663663200
9205245155856
1064807200384
1125536a7a943
1210687972a80
13615a682c64
1431cb0c857a
151a447c36a9
hexf16cf6680

64807200384 has 64 divisors (see below), whose sum is σ = 176342806080. Its totient is φ = 21075507200.

The previous prime is 64807200383. The next prime is 64807200389. The reversal of 64807200384 is 48300270846.

64807200384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×648072003842 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64807200383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042412 + ... + 2073899.

It is an arithmetic number, because the mean of its divisors is an integer number (2755356345).

Almost surely, 264807200384 is an apocalyptic number.

64807200384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64807200384 is an abundant number, since it is smaller than the sum of its proper divisors (111535605696).

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

64807200384 is a wasteful number, since it uses less digits than its factorization.

64807200384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116369 (or 4116357 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 64807200384 in words is "sixty-four billion, eight hundred seven million, two hundred thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 64 82 96 123 128 164 192 246 328 384 492 656 984 1312 1968 2624 3936 5248 7872 15744 4116311 8232622 12348933 16465244 24697866 32930488 49395732 65860976 98791464 131721952 168768751 197582928 263443904 337537502 395165856 506306253 526887808 675075004 790331712 1012612506 1350150008 1580663424 2025225012 2700300016 4050450024 5400600032 8100900048 10801200064 16201800096 21602400128 32403600192 64807200384