Search a number
-
+
6464453875 = 53114701421
BaseRepresentation
bin1100000010100111…
…11011110011110011
3121200112000021121121
412001103323303303
5101214400011000
62545243403111
7316123644205
oct60123736363
917615007547
106464453875
112818019970
121304b23497
137c0386649
14454790775
1527c7cdb1a
hex1814fbcf3

6464453875 has 16 divisors (see below), whose sum is σ = 8801061984. Its totient is φ = 4701420000.

The previous prime is 6464453861. The next prime is 6464453893. The reversal of 6464453875 is 5783544646.

It is not a de Polignac number, because 6464453875 - 25 = 6464453843 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2349336 + ... + 2352085.

It is an arithmetic number, because the mean of its divisors is an integer number (550066374).

Almost surely, 26464453875 is an apocalyptic number.

6464453875 is a deficient number, since it is larger than the sum of its proper divisors (2336608109).

6464453875 is a wasteful number, since it uses less digits than its factorization.

6464453875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701447 (or 4701437 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 52.

The square root of 6464453875 is about 80401.8275600748. The cubic root of 6464453875 is about 1862.8474015275.

The spelling of 6464453875 in words is "six billion, four hundred sixty-four million, four hundred fifty-three thousand, eight hundred seventy-five".

Divisors: 1 5 11 25 55 125 275 1375 4701421 23507105 51715631 117535525 258578155 587677625 1292890775 6464453875