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8050822812 = 2232417374719
BaseRepresentation
bin1110111111101110…
…11100111010011100
3202210002001011200200
413133313130322130
5112442002312222
63410513023500
7403335602424
oct73767347234
922702034620
108050822812
11346153037a
121688254b90
139b3c28ba6
14565337484
15321bd8eac
hex1dfddce9c

8050822812 has 72 divisors (see below), whose sum is σ = 21132908160. Its totient is φ = 2582254080.

The previous prime is 8050822811. The next prime is 8050822831. The reversal of 8050822812 is 2182280508.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8050822811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70389 + ... + 145107.

Almost surely, 28050822812 is an apocalyptic number.

8050822812 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8050822812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10566454080).

8050822812 is an abundant number, since it is smaller than the sum of its proper divisors (13082085348).

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

8050822812 is a wasteful number, since it uses less digits than its factorization.

8050822812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74843 (or 74838 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 8050822812 is about 89726.3774594740. The cubic root of 8050822812 is about 2004.2262972484.

The spelling of 8050822812 in words is "eight billion, fifty million, eight hundred twenty-two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 41 73 82 123 146 164 219 246 292 369 438 492 657 738 876 1314 1476 2628 2993 5986 8979 11972 17958 26937 35916 53874 74719 107748 149438 224157 298876 448314 672471 896628 1344942 2689884 3063479 5454487 6126958 9190437 10908974 12253916 16363461 18380874 21817948 27571311 32726922 36761748 49090383 55142622 65453844 98180766 110285244 196361532 223633967 447267934 670901901 894535868 1341803802 2012705703 2683607604 4025411406 8050822812