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8242164812 = 22719105114741
BaseRepresentation
bin1111010110100010…
…10111010001001100
3210021102002100120102
413223101113101030
5113334443233222
63441510110232
7411151150010
oct75321272114
923242070512
108242164812
11354a53a462
12172034b378
13a147713cb
14582904540
153338d2d92
hex1eb45744c

8242164812 has 48 divisors (see below), whose sum is σ = 17369614080. Its totient is φ = 3343032000.

The previous prime is 8242164811. The next prime is 8242164829. The reversal of 8242164812 is 2184612428.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (8242164811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551762 + ... + 566502.

It is an arithmetic number, because the mean of its divisors is an integer number (361866960).

Almost surely, 28242164812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8242164812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8684807040).

8242164812 is an abundant number, since it is smaller than the sum of its proper divisors (9127449268).

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

8242164812 is a wasteful number, since it uses less digits than its factorization.

8242164812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15822 (or 15820 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 8242164812 is about 90786.3690869946. The cubic root of 8242164812 is about 2019.9801334516.

The spelling of 8242164812 in words is "eight billion, two hundred forty-two million, one hundred sixty-four thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 1051 2102 4204 7357 14714 14741 19969 29428 29482 39938 58964 79876 103187 139783 206374 279566 280079 412748 559132 560158 1120316 1960553 3921106 7842212 15492791 30985582 61971164 108449537 216899074 294363029 433798148 588726058 1177452116 2060541203 4121082406 8242164812