Search a number
-
+
66104760320 = 21156455543
BaseRepresentation
bin111101100100001001…
…101001100000000000
320022121221202202120022
4331210021221200000
52040340304312240
650211302233012
74530065122514
oct754411514000
9208557682508
1066104760320
1126042460925
121098a425768
1363064453c1
1432b1572144
151abd6809b5
hexf64269800

66104760320 has 48 divisors (see below), whose sum is σ = 158612716080. Its totient is φ = 26441900032.

The previous prime is 66104760317. The next prime is 66104760341. The reversal of 66104760320 is 2306740166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3217532 + ... + 3238011.

It is an arithmetic number, because the mean of its divisors is an integer number (3304431585).

Almost surely, 266104760320 is an apocalyptic number.

It is an amenable number.

66104760320 is an abundant number, since it is smaller than the sum of its proper divisors (92507955760).

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

66104760320 is an equidigital number, since it uses as much as digits as its factorization.

66104760320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6455570 (or 6455550 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 66104760320 in words is "sixty-six billion, one hundred four million, seven hundred sixty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 5120 10240 6455543 12911086 25822172 32277715 51644344 64555430 103288688 129110860 206577376 258221720 413154752 516443440 826309504 1032886880 1652619008 2065773760 3305238016 4131547520 6610476032 8263095040 13220952064 16526190080 33052380160 66104760320