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1082821182105 = 351341111350749
BaseRepresentation
bin11111100000111010010…
…11000000001010011001
310211111221200002101210010
433300131023000022121
5120220104210311410
62145235143512133
7141142214120235
oct17603513001231
93744850071703
101082821182105
11388249367933
12155a36758649
137b156a36080
143a5a1b5b5c5
151d277755c20
hexfc1d2c0299

1082821182105 has 32 divisors (see below), whose sum is σ = 1866239424000. Its totient is φ = 532951130880.

The previous prime is 1082821182049. The next prime is 1082821182109. The reversal of 1082821182105 is 5012811282801.

It is not a de Polignac number, because 1082821182105 - 27 = 1082821181977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1082821182109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126271 + ... + 1477019.

It is an arithmetic number, because the mean of its divisors is an integer number (58319982000).

Almost surely, 21082821182105 is an apocalyptic number.

1082821182105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1082821182105 is a deficient number, since it is larger than the sum of its proper divisors (783418241895).

1082821182105 is a wasteful number, since it uses less digits than its factorization.

1082821182105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354881.

The product of its (nonzero) digits is 20480, while the sum is 39.

The spelling of 1082821182105 in words is "one trillion, eighty-two billion, eight hundred twenty-one million, one hundred eighty-two thousand, one hundred five".

Divisors: 1 3 5 13 15 39 65 195 4111 12333 20555 53443 61665 160329 267215 801645 1350749 4052247 6753745 17559737 20261235 52679211 87798685 263396055 5552929139 16658787417 27764645695 72188078807 83293937085 216564236421 360940394035 1082821182105