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52239216481 = 2285592
BaseRepresentation
bin110000101001101100…
…110010111101100001
311222211122022011011121
4300221230302331201
51323441214411411
635555351412241
73526352004454
oct605154627541
9158748264147
1052239216481
1120177748591
12a15a984081
134c069523aa
142757c9949b
15155b25b571
hexc29b32f61

52239216481 has 3 divisors (see below), whose sum is σ = 52239445041. Its totient is φ = 52238987922.

The previous prime is 52239216467. The next prime is 52239216487. The reversal of 52239216481 is 18461293225.

The square root of 52239216481 is 228559.

It is a perfect power (a square), and thus also a powerful number.

52239216481 is digitally balanced in base 2, 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, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 52239216481 - 215 = 52239183713 is a prime.

It is a super-2 number, since 2×522392164812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52239216487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 114280 + ... + 342838.

It is an arithmetic number, because the mean of its divisors is an integer number (17413148347).

Almost surely, 252239216481 is an apocalyptic number.

52239216481 is the 228559-th square number.

52239216481 is the 114280-th centered octagonal number.

It is an amenable number.

52239216481 is a deficient number, since it is larger than the sum of its proper divisors (228560).

52239216481 is an frugal number, since it uses more digits than its factorization.

52239216481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457118 (or 228559 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The spelling of 52239216481 in words is "fifty-two billion, two hundred thirty-nine million, two hundred sixteen thousand, four hundred eighty-one".

Divisors: 1 228559 52239216481