Search a number
-
+
52657213273 = 731242659969
BaseRepresentation
bin110001000010100111…
…010100111101011001
312000220202211120222021
4301002213110331121
51330320221311043
640105042454441
73542615633140
oct610247247531
9160822746867
1052657213273
1120371695785
12a256964421
134c72425382
1427975c6757
151582cc73ed
hexc429d4f59

52657213273 has 8 divisors (see below), whose sum is σ = 62120952320. Its totient is φ = 43678794240.

The previous prime is 52657213267. The next prime is 52657213289. The reversal of 52657213273 is 37231275625.

52657213273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52657213273 - 25 = 52657213241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52657213243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121329768 + ... + 121330201.

It is an arithmetic number, because the mean of its divisors is an integer number (7765119040).

Almost surely, 252657213273 is an apocalyptic number.

It is an amenable number.

52657213273 is a deficient number, since it is larger than the sum of its proper divisors (9463739047).

52657213273 is a wasteful number, since it uses less digits than its factorization.

52657213273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242660007.

The product of its digits is 529200, while the sum is 43.

Adding to 52657213273 its reverse (37231275625), we get a palindrome (89888488898).

The spelling of 52657213273 in words is "fifty-two billion, six hundred fifty-seven million, two hundred thirteen thousand, two hundred seventy-three".

Divisors: 1 7 31 217 242659969 1698619783 7522459039 52657213273