Search a number
-
+
64552214212 = 2243375303571
BaseRepresentation
bin111100000111100111…
…001001111011000100
320011121202101020200121
4330013213021323010
52024200331323322
645353241551324
74443443524153
oct740747117304
9204552336617
1064552214212
1125416050a72
12106164a5544
1361198b5b75
1431a52b159a
151a2c206ec7
hexf079c9ec4

64552214212 has 12 divisors (see below), whose sum is σ = 115593500176. Its totient is φ = 31525499880.

The previous prime is 64552214203. The next prime is 64552214219. The reversal of 64552214212 is 21241225546.

It is not an unprimeable number, because it can be changed into a prime (64552214219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187651614 + ... + 187651957.

Almost surely, 264552214212 is an apocalyptic number.

It is an amenable number.

64552214212 is a deficient number, since it is larger than the sum of its proper divisors (51041285964).

64552214212 is a wasteful number, since it uses less digits than its factorization.

64552214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375303618 (or 375303616 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

Adding to 64552214212 its reverse (21241225546), we get a palindrome (85793439758).

The spelling of 64552214212 in words is "sixty-four billion, five hundred fifty-two million, two hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 4 43 86 172 375303571 750607142 1501214284 16138053553 32276107106 64552214212