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52206525474245 = 510995791789861
BaseRepresentation
bin10111101111011010001110…
…11001111110010111000101
320211211220011112010020102122
423313231013121332113011
523320322431010133440
6303011202520015325
713665540240454352
oct1367550731762705
9224756145106378
1052206525474245
11156a873267749a
125a31b83901545
1323190921a637c
14cc6b48a91629
15608028de57b5
hex2f7b4767e5c5

52206525474245 has 8 divisors (see below), whose sum is σ = 63222581308920. Its totient is φ = 41382053219520.

The previous prime is 52206525474227. The next prime is 52206525474247. The reversal of 52206525474245 is 54247452560225.

It can be written as a sum of positive squares in 4 ways, for example, as 5561149687681 + 46645375786564 = 2358209^2 + 6829742^2 .

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

It is not a de Polignac number, because 52206525474245 - 226 = 52206458365381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52206525474247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47895894386 + ... + 47895895475.

It is an arithmetic number, because the mean of its divisors is an integer number (7902822663615).

Almost surely, 252206525474245 is an apocalyptic number.

It is an amenable number.

52206525474245 is a deficient number, since it is larger than the sum of its proper divisors (11016055834675).

52206525474245 is a wasteful number, since it uses less digits than its factorization.

52206525474245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95791789975.

The product of its (nonzero) digits is 26880000, while the sum is 53.

The spelling of 52206525474245 in words is "fifty-two trillion, two hundred six billion, five hundred twenty-five million, four hundred seventy-four thousand, two hundred forty-five".

Divisors: 1 5 109 545 95791789861 478958949305 10441305094849 52206525474245