Search a number
-
+
42400140313 = 82751269819
BaseRepresentation
bin100111011111001111…
…101100110000011001
311001102221100022001011
4213133033230300121
51143313413442223
631251154053521
73030500150266
oct473717546031
9131387308034
1042400140313
1116a88856a83
12827387a2a1
133cc93ba02b
1420a326626d
15118258980d
hex9df3ecc19

42400140313 has 4 divisors (see below), whose sum is σ = 42451410960. Its totient is φ = 42348869668.

The previous prime is 42400140311. The next prime is 42400140337. The reversal of 42400140313 is 31304100424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42400140313 - 21 = 42400140311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42400140311) 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, 25634083 + ... + 25635736.

It is an arithmetic number, because the mean of its divisors is an integer number (10612852740).

Almost surely, 242400140313 is an apocalyptic number.

It is an amenable number.

42400140313 is a deficient number, since it is larger than the sum of its proper divisors (51270647).

42400140313 is an equidigital number, since it uses as much as digits as its factorization.

42400140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51270646.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42400140313 its reverse (31304100424), we get a palindrome (73704240737).

The spelling of 42400140313 in words is "forty-two billion, four hundred million, one hundred forty thousand, three hundred thirteen".

Divisors: 1 827 51269819 42400140313