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52617870487 = 713578218357
BaseRepresentation
bin110001000000010001…
…001111110010010111
312000211000210202211001
4301000101033302113
51330230133323422
640101115324131
73541630343140
oct610021176227
9160730722731
1052617870487
1120351463986
12a245750647
134c6722ba10
1427922a4ac7
15157e605227
hexc4044fc97

52617870487 has 8 divisors (see below), whose sum is σ = 64760456096. Its totient is φ = 41631721632.

The previous prime is 52617870469. The next prime is 52617870497. The reversal of 52617870487 is 78407871625.

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

It is a cyclic number.

It is not a de Polignac number, because 52617870487 - 231 = 50470386839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52617870497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289109088 + ... + 289109269.

It is an arithmetic number, because the mean of its divisors is an integer number (8095057012).

Almost surely, 252617870487 is an apocalyptic number.

52617870487 is a deficient number, since it is larger than the sum of its proper divisors (12142585609).

52617870487 is a wasteful number, since it uses less digits than its factorization.

52617870487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578218377.

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 52617870487 in words is "fifty-two billion, six hundred seventeen million, eight hundred seventy thousand, four hundred eighty-seven".

Divisors: 1 7 13 91 578218357 4047528499 7516838641 52617870487