Search a number
-
+
53344035431 = 76216999611
BaseRepresentation
bin110001101011100011…
…010110001001100111
312002200122012202211222
4301223203112021213
51333222033113211
640301135450555
73565625551121
oct615343261147
9162618182758
1053344035431
11206943543a5
12a408986a5b
1350517cc60b
1428208d0211
1515c32451db
hexc6b8d6267

53344035431 has 4 divisors (see below), whose sum is σ = 53351042664. Its totient is φ = 53337028200.

The previous prime is 53344035397. The next prime is 53344035443. The reversal of 53344035431 is 13453044335.

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 53344035431 - 210 = 53344034407 is a prime.

It is a super-2 number, since 2×533440354312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53344035391 and 53344035400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53344035461) 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 3 ways as a sum of consecutive naturals, for example, 3492185 + ... + 3507426.

It is an arithmetic number, because the mean of its divisors is an integer number (13337760666).

Almost surely, 253344035431 is an apocalyptic number.

53344035431 is a deficient number, since it is larger than the sum of its proper divisors (7007233).

53344035431 is an equidigital number, since it uses as much as digits as its factorization.

53344035431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007232.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 53344035431 its reverse (13453044335), we get a palindrome (66797079766).

The spelling of 53344035431 in words is "fifty-three billion, three hundred forty-four million, thirty-five thousand, four hundred thirty-one".

Divisors: 1 7621 6999611 53344035431