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52520013343 = 722385954251
BaseRepresentation
bin110000111010011011…
…111100111000011111
312000120012200010001101
4300322123330320133
51330030110411333
640043302053531
73536331514300
oct607233747037
9160505603041
1052520013343
11203011a6406
12a218a1a2a7
134c4cb88695
1427832b07a7
151575c2567d
hexc3a6fce1f

52520013343 has 24 divisors (see below), whose sum is σ = 63826392960. Its totient is φ = 43008966000.

The previous prime is 52520013319. The next prime is 52520013353. The reversal of 52520013343 is 34331002525.

It is a de Polignac number, because none of the positive numbers 2k-52520013343 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 (52520013353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 940968 + ... + 995218.

It is an arithmetic number, because the mean of its divisors is an integer number (2659433040).

Almost surely, 252520013343 is an apocalyptic number.

52520013343 is a deficient number, since it is larger than the sum of its proper divisors (11306379617).

52520013343 is a wasteful number, since it uses less digits than its factorization.

52520013343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55147 (or 55140 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 52520013343 its reverse (34331002525), we get a palindrome (86851015868).

The spelling of 52520013343 in words is "fifty-two billion, five hundred twenty million, thirteen thousand, three hundred forty-three".

Divisors: 1 7 23 49 161 859 1127 6013 19757 42091 54251 138299 379757 968093 1247773 2658299 8734411 46601609 61140877 326211263 1071837007 2283478841 7502859049 52520013343