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487938306987 = 3254215367443
BaseRepresentation
bin1110001100110110110…
…00111011001110101011
31201122110021000012222200
413012123120323032223
530443244201310422
61012053351151243
750152365114525
oct7063330731653
91648407005880
10487938306987
11178a2a4a9a6a
127a695675523
1337021295811
141988b346a15
15ca5bc782ac
hex719b63b3ab

487938306987 has 6 divisors (see below), whose sum is σ = 704799776772. Its totient is φ = 325292204652.

The previous prime is 487938306959. The next prime is 487938307009. The reversal of 487938306987 is 789603839784.

487938306987 is a `hidden beast` number, since 48 + 79 + 383 + 0 + 69 + 87 = 666.

It is not a de Polignac number, because 487938306987 - 210 = 487938305963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487938306917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27107683713 + ... + 27107683730.

It is an arithmetic number, because the mean of its divisors is an integer number (117466629462).

Almost surely, 2487938306987 is an apocalyptic number.

487938306987 is a deficient number, since it is larger than the sum of its proper divisors (216861469785).

487938306987 is a wasteful number, since it uses less digits than its factorization.

487938306987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54215367449 (or 54215367446 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 487938306987 in words is "four hundred eighty-seven billion, nine hundred thirty-eight million, three hundred six thousand, nine hundred eighty-seven".

Divisors: 1 3 9 54215367443 162646102329 487938306987