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82952131808 = 2571328486309
BaseRepresentation
bin100110101000001010…
…1010001010011100000
321221010002001220112002
41031100111101103200
52324341221204213
6102035132023132
75664426325610
oct1152025212340
9257102056462
1082952131808
11321a8352437
12140b0601aa8
137a8c929380
14402cc80a40
152257759658
hex13505514e0

82952131808 has 48 divisors (see below), whose sum is σ = 200999403360. Its totient is φ = 32816226816.

The previous prime is 82952131799. The next prime is 82952131811. The reversal of 82952131808 is 80813125928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14240243 + ... + 14246066.

It is an arithmetic number, because the mean of its divisors is an integer number (4187487570).

Almost surely, 282952131808 is an apocalyptic number.

It is an amenable number.

82952131808 is an abundant number, since it is smaller than the sum of its proper divisors (118047271552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82952131808 is a wasteful number, since it uses less digits than its factorization.

82952131808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28486339 (or 28486331 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 82952131808 in words is "eighty-two billion, nine hundred fifty-two million, one hundred thirty-one thousand, eight hundred eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 28486309 56972618 113945236 199404163 227890472 370322017 398808326 455780944 740644034 797616652 911561888 1481288068 1595233304 2592254119 2962576136 3190466608 5184508238 5925152272 6380933216 10369016476 11850304544 20738032952 41476065904 82952131808