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8457222112 = 254347251521
BaseRepresentation
bin1111110000001011…
…01111011111100000
3210211101202101201121
413320011233133200
5114310022101422
63515111342024
7416402126143
oct77005573740
923741671647
108457222112
11364a977169
121780381914
13a4a19b151
145a32c605a
153477138c7
hex1f816f7e0

8457222112 has 96 divisors (see below), whose sum is σ = 17502718464. Its totient is φ = 4018560000.

The previous prime is 8457222083. The next prime is 8457222131. The reversal of 8457222112 is 2112227548.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16232412 + ... + 16232932.

It is an arithmetic number, because the mean of its divisors is an integer number (182319984).

Almost surely, 28457222112 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 8457222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8751359232).

8457222112 is an abundant number, since it is smaller than the sum of its proper divisors (9045496352).

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

8457222112 is a wasteful number, since it uses less digits than its factorization.

8457222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 864 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 8457222112 is about 91963.1562746734. The cubic root of 8457222112 is about 2037.3981721954.

The spelling of 8457222112 in words is "eight billion, four hundred fifty-seven million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 43 47 86 94 172 188 251 344 376 502 521 688 752 1004 1042 1376 1504 2008 2021 2084 4016 4042 4168 8032 8084 8336 10793 11797 16168 16672 21586 22403 23594 24487 32336 43172 44806 47188 48974 64672 86344 89612 94376 97948 130771 172688 179224 188752 195896 261542 345376 358448 377504 391792 507271 523084 716896 783584 1014542 1046168 1052941 2029084 2092336 2105882 4058168 4184672 4211764 5623153 6146237 8116336 8423528 11246306 12292474 16232672 16847056 22492612 24584948 33694112 44985224 49169896 89970448 98339792 179940896 196679584 264288191 528576382 1057152764 2114305528 4228611056 8457222112