Search a number
-
+
82067372838 = 232112411719841
BaseRepresentation
bin100110001101110011…
…0001011101100100110
321211211102020111101100
41030123212023230212
52321033221412323
6101411244340530
75633464105443
oct1143346135446
9254742214340
1082067372838
113189398a980
1213aa4244746
13797b53ac59
143d875709ca
152204c3d943
hex131b98bb26

82067372838 has 48 divisors (see below), whose sum is σ = 194782425552. Its totient is φ = 24765696000.

The previous prime is 82067372837. The next prime is 82067372929. The reversal of 82067372838 is 83827376028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82067372833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812203 + ... + 907638.

It is an arithmetic number, because the mean of its divisors is an integer number (4057967199).

Almost surely, 282067372838 is an apocalyptic number.

82067372838 is an abundant number, since it is smaller than the sum of its proper divisors (112715052714).

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

82067372838 is a wasteful number, since it uses less digits than its factorization.

82067372838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720101 (or 1720098 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 82067372838 in words is "eighty-two billion, sixty-seven million, three hundred seventy-two thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 241 482 723 1446 2169 2651 4338 5302 7953 15906 23859 47718 1719841 3439682 5159523 10319046 15478569 18918251 30957138 37836502 56754753 113509506 170264259 340528518 414481681 828963362 1243445043 2486890086 3730335129 4559298491 7460670258 9118596982 13677895473 27355790946 41033686419 82067372838