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85871552803 = 158699541097
BaseRepresentation
bin100111111111001010…
…1111110100100100011
322012122112110212020121
41033332111332210203
52401331104142203
6103240541221111
76126656104231
oct1177625764443
9265575425217
1085871552803
1133466286663
1214786261797
138136709b0a
1442288ad951
152378bd30bd
hex13fe57e923

85871552803 has 4 divisors (see below), whose sum is σ = 85872252600. Its totient is φ = 85870853008.

The previous prime is 85871552801. The next prime is 85871552807. The reversal of 85871552803 is 30825517858.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30825517858 = 215412758929.

It is a cyclic number.

It is not a de Polignac number, because 85871552803 - 21 = 85871552801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85871552801) 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 3 ways as a sum of consecutive naturals, for example, 111850 + ... + 429247.

It is an arithmetic number, because the mean of its divisors is an integer number (21468063150).

Almost surely, 285871552803 is an apocalyptic number.

85871552803 is a deficient number, since it is larger than the sum of its proper divisors (699797).

85871552803 is a wasteful number, since it uses less digits than its factorization.

85871552803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699796.

The product of its (nonzero) digits is 2688000, while the sum is 52.

The spelling of 85871552803 in words is "eighty-five billion, eight hundred seventy-one million, five hundred fifty-two thousand, eight hundred three".

Divisors: 1 158699 541097 85871552803