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86541000487 = 312791645177
BaseRepresentation
bin101000010011000111…
…1101101111100100111
322021101012011022211021
41100212033231330213
52404213444003422
6103431213552011
76152365236604
oct1204617557447
9267335138737
1086541000487
113377a158607
12149324a5607
13821230c9c6
14428d7736ab
1523b786cdc7
hex14263edf27

86541000487 has 4 divisors (see below), whose sum is σ = 89332645696. Its totient is φ = 83749355280.

The previous prime is 86541000467. The next prime is 86541000509. The reversal of 86541000487 is 78400014568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86541000487 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 (86541000437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395822558 + ... + 1395822619.

It is an arithmetic number, because the mean of its divisors is an integer number (22333161424).

Almost surely, 286541000487 is an apocalyptic number.

86541000487 is a deficient number, since it is larger than the sum of its proper divisors (2791645209).

86541000487 is a wasteful number, since it uses less digits than its factorization.

86541000487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791645208.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 86541000487 in words is "eighty-six billion, five hundred forty-one million, four hundred eighty-seven", and thus it is an aban number.

Divisors: 1 31 2791645177 86541000487