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82985208183 = 344332366071
BaseRepresentation
bin100110101001001001…
…1011100100101110111
321221012101022100210000
41031102103130211313
52324423203130213
6102042313002343
75665310426313
oct1152223344567
9257171270700
1082985208183
1132214a94189
12140bb6b33b3
137a9673a6a7
144033410b43
15225a5dec73
hex13524dc977

82985208183 has 20 divisors (see below), whose sum is σ = 124251905008. Its totient is φ = 55195680960.

The previous prime is 82985208181. The next prime is 82985208191. The reversal of 82985208183 is 38180258928.

It is not a de Polignac number, because 82985208183 - 21 = 82985208181 is a prime.

It is a super-2 number, since 2×829852081832 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82985208181) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1147963 + ... + 1218108.

Almost surely, 282985208183 is an apocalyptic number.

82985208183 is a deficient number, since it is larger than the sum of its proper divisors (41266696825).

82985208183 is a wasteful number, since it uses less digits than its factorization.

82985208183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366516 (or 2366507 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 82985208183 in words is "eighty-two billion, nine hundred eighty-five million, two hundred eight thousand, one hundred eighty-three".

Divisors: 1 3 9 27 81 433 1299 3897 11691 35073 2366071 7098213 21294639 63883917 191651751 1024508743 3073526229 9220578687 27661736061 82985208183