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82500580525 = 52111717647183
BaseRepresentation
bin100110011010101101…
…0101111010010101101
321212221121101201121111
41030311122233102231
52322430122034100
6101522241432021
75650304235556
oct1146532572255
9255847351544
1082500580525
1131a96477260
1213ba533b611
137a1a20856c
143dc8cdb32d
15222ccb16ba
hex13356af4ad

82500580525 has 24 divisors (see below), whose sum is σ = 118165544064. Its totient is φ = 56470982400.

The previous prime is 82500580517. The next prime is 82500580597. The reversal of 82500580525 is 52508500528.

It is a happy number.

It is not a de Polignac number, because 82500580525 - 23 = 82500580517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8818917 + ... + 8828266.

It is an arithmetic number, because the mean of its divisors is an integer number (4923564336).

Almost surely, 282500580525 is an apocalyptic number.

82500580525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82500580525 is a deficient number, since it is larger than the sum of its proper divisors (35664963539).

82500580525 is a wasteful number, since it uses less digits than its factorization.

82500580525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17647221 (or 17647216 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The spelling of 82500580525 in words is "eighty-two billion, five hundred million, five hundred eighty thousand, five hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 187 275 425 935 4675 17647183 88235915 194119013 300002111 441179575 970595065 1500010555 3300023221 4852975325 7500052775 16500116105 82500580525