Search a number
-
+
6400031050 = 252730116073
BaseRepresentation
bin1011111010111100…
…01011100101001010
3121112000210021010001
411331132023211022
5101101401443200
62535022513214
7314412236440
oct57536134512
917460707101
106400031050
112794718066
1212a743580a
137acc1b52a
14449dc0b90
15276d0576a
hex17d78b94a

6400031050 has 48 divisors (see below), whose sum is σ = 13611396672. Its totient is φ = 2193206400.

The previous prime is 6400031039. The next prime is 6400031051. The reversal of 6400031050 is 501300046.

It is not an unprimeable number, because it can be changed into a prime (6400031051) 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 23 ways as a sum of consecutive naturals, for example, 1050814 + ... + 1056886.

It is an arithmetic number, because the mean of its divisors is an integer number (283570764).

Almost surely, 26400031050 is an apocalyptic number.

6400031050 is an abundant number, since it is smaller than the sum of its proper divisors (7211365622).

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

6400031050 is a wasteful number, since it uses less digits than its factorization.

6400031050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103 (or 9098 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 6400031050 is about 80000.1940622646. The cubic root of 6400031050 is about 1856.6385359680.

Adding to 6400031050 its reverse (501300046), we get a palindrome (6901331096).

The spelling of 6400031050 in words is "six billion, four hundred million, thirty-one thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 3011 6022 6073 12146 15055 21077 30110 30365 42154 42511 60730 75275 85022 105385 150550 151825 210770 212555 303650 425110 526925 1053850 1062775 2125550 18285803 36571606 91429015 128000621 182858030 256001242 457145075 640003105 914290150 1280006210 3200015525 6400031050