Search a number
-
+
8400270331 = 13164124201
BaseRepresentation
bin1111101001011000…
…11111001111111011
3210200102120221120101
413310230133033323
5114200432122311
63505314540231
7415111056025
oct76454371773
923612527511
108400270331
113620808482
121765297677
13a3b44a77b
145998dd015
15342713ec1
hex1f4b1f3fb

8400270331 has 4 divisors (see below), whose sum is σ = 8464394664. Its totient is φ = 8336146000.

The previous prime is 8400270311. The next prime is 8400270341. The reversal of 8400270331 is 1330720048.

8400270331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8400270331 - 29 = 8400269819 is a prime.

It is a super-2 number, since 2×84002703312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8400270331.

It is not an unprimeable number, because it can be changed into a prime (8400270311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32061970 + ... + 32062231.

It is an arithmetic number, because the mean of its divisors is an integer number (2116098666).

Almost surely, 28400270331 is an apocalyptic number.

8400270331 is a deficient number, since it is larger than the sum of its proper divisors (64124333).

8400270331 is a wasteful number, since it uses less digits than its factorization.

8400270331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64124332.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 8400270331 is about 91652.9886637637. The cubic root of 8400270331 is about 2032.8145200183.

Adding to 8400270331 its reverse (1330720048), we get a palindrome (9730990379).

The spelling of 8400270331 in words is "eight billion, four hundred million, two hundred seventy thousand, three hundred thirty-one".

Divisors: 1 131 64124201 8400270331