Search a number
-
+
6875421312 = 27317904743
BaseRepresentation
bin1100110011100111…
…01001101010000000
3122202011022120221210
412121303221222000
5103040101440222
63054124050120
7332244055044
oct63163515200
918664276853
106875421312
112a08aa5881
1213ba693940
13857567c46
144931ac024
152a390bd0c
hex199ce9a80

6875421312 has 32 divisors (see below), whose sum is σ = 18262838880. Its totient is φ = 2291806976.

The previous prime is 6875421253. The next prime is 6875421313. The reversal of 6875421312 is 2131245786.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (6875421313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8951988 + ... + 8952755.

It is an arithmetic number, because the mean of its divisors is an integer number (570713715).

Almost surely, 26875421312 is an apocalyptic number.

It is an amenable number.

6875421312 is an abundant number, since it is smaller than the sum of its proper divisors (11387417568).

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

6875421312 is a wasteful number, since it uses less digits than its factorization.

6875421312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17904760 (or 17904748 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 6875421312 is about 82918.1603269151. The cubic root of 6875421312 is about 1901.5150715147.

The spelling of 6875421312 in words is "six billion, eight hundred seventy-five million, four hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 17904743 35809486 53714229 71618972 107428458 143237944 214856916 286475888 429713832 572951776 859427664 1145903552 1718855328 2291807104 3437710656 6875421312