Search a number
-
+
66770502368 = 2573157182059
BaseRepresentation
bin111110001011110101…
…010000001011100000
320101100100110221222012
4332023311100023200
52043221222033433
650401323332052
74552430622443
oct761365201340
9211310427865
1066770502368
1126354231769
1210b35381028
1363b134b6cb
143335b4d65a
151b0bd37848
hexf8bd502e0

66770502368 has 48 divisors (see below), whose sum is σ = 134104667760. Its totient is φ = 32718007296.

The previous prime is 66770502367. The next prime is 66770502397. The reversal of 66770502368 is 86320507766.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66770502361) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 275723 + ... + 457781.

It is an arithmetic number, because the mean of its divisors is an integer number (2793847245).

Almost surely, 266770502368 is an apocalyptic number.

It is an amenable number.

66770502368 is an abundant number, since it is smaller than the sum of its proper divisors (67334165392).

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

66770502368 is a wasteful number, since it uses less digits than its factorization.

66770502368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182299 (or 182291 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 66770502368 in words is "sixty-six billion, seven hundred seventy million, five hundred two thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 73 146 157 292 314 584 628 1168 1256 2336 2512 5024 11461 22922 45844 91688 182059 183376 364118 366752 728236 1456472 2912944 5825888 13290307 26580614 28583263 53161228 57166526 106322456 114333052 212644912 228666104 425289824 457332208 914664416 2086578199 4173156398 8346312796 16692625592 33385251184 66770502368