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52537408427 = 7232111546537
BaseRepresentation
bin110000111011011110…
…010011101110101011
312000121102101212121202
4300323132103232223
51330044034032202
640045122554415
73536632413650
oct607336235653
9160542355552
1052537408427
112030aaa7609
12a222808a0b
134c5366922a
14278571bc27
15157750e802
hexc3b793bab

52537408427 has 16 divisors (see below), whose sum is σ = 62950282752. Its totient is φ = 42869977920.

The previous prime is 52537408393. The next prime is 52537408433. The reversal of 52537408427 is 72480473525.

It is not a de Polignac number, because 52537408427 - 212 = 52537404331 is a prime.

It is a super-2 number, since 2×525374084272 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52537438427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739298 + ... + 807239.

It is an arithmetic number, because the mean of its divisors is an integer number (3934392672).

Almost surely, 252537408427 is an apocalyptic number.

52537408427 is a deficient number, since it is larger than the sum of its proper divisors (10412874325).

52537408427 is a wasteful number, since it uses less digits than its factorization.

52537408427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546778.

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 52537408427 in words is "fifty-two billion, five hundred thirty-seven million, four hundred eight thousand, four hundred twenty-seven".

Divisors: 1 7 23 161 211 1477 4853 33971 1546537 10825759 35570351 248992457 326319307 2284235149 7505344061 52537408427