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52748824693 = 471122315419
BaseRepresentation
bin110001001000000100…
…110011000001110101
312001011011012221012211
4301020010303001311
51331012144342233
640122114213421
73545110416625
oct611004630165
9161134187184
1052748824693
11204093777a4
12a281584271
134c883bc906
1427a5832885
15158ad715cd
hexc48133075

52748824693 has 4 divisors (see below), whose sum is σ = 53871140160. Its totient is φ = 51626509228.

The previous prime is 52748824669. The next prime is 52748824699. The reversal of 52748824693 is 39642884725.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-52748824693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52748824699) 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, 561157663 + ... + 561157756.

It is an arithmetic number, because the mean of its divisors is an integer number (13467785040).

Almost surely, 252748824693 is an apocalyptic number.

It is an amenable number.

52748824693 is a deficient number, since it is larger than the sum of its proper divisors (1122315467).

52748824693 is a wasteful number, since it uses less digits than its factorization.

52748824693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122315466.

The product of its digits is 23224320, while the sum is 58.

The spelling of 52748824693 in words is "fifty-two billion, seven hundred forty-eight million, eight hundred twenty-four thousand, six hundred ninety-three".

Divisors: 1 47 1122315419 52748824693