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2162086839 = 321121839261
BaseRepresentation
bin1000000011011110…
…1101001110110111
312120200100101120100
42000313231032313
513411443234324
6554313005143
7104402302113
oct20067551667
95520311510
102162086839
11a0a494930
125040b37b3
13285c18933
1416720c743
15c9c2d4c9
hex80ded3b7

2162086839 has 12 divisors (see below), whose sum is σ = 3406924872. Its totient is φ = 1310355600.

The previous prime is 2162086819. The next prime is 2162086873. The reversal of 2162086839 is 9386802612.

It is not a de Polignac number, because 2162086839 - 25 = 2162086807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2162086794 and 2162086803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162086819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10919532 + ... + 10919729.

It is an arithmetic number, because the mean of its divisors is an integer number (283910406).

Almost surely, 22162086839 is an apocalyptic number.

2162086839 is a deficient number, since it is larger than the sum of its proper divisors (1244838033).

2162086839 is a wasteful number, since it uses less digits than its factorization.

2162086839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21839278 (or 21839275 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2162086839 is about 46498.2455475473. The cubic root of 2162086839 is about 1293.0769724653.

The spelling of 2162086839 in words is "two billion, one hundred sixty-two million, eighty-six thousand, eight hundred thirty-nine".

Divisors: 1 3 9 11 33 99 21839261 65517783 196553349 240231871 720695613 2162086839