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7230885168 = 2431379146683
BaseRepresentation
bin1101011101111111…
…01000110100110000
3200122221012000200210
412232333220310300
5104302101311133
63153302544120
7344121336603
oct65677506460
920587160623
107230885168
113080712061
121499738040
138b30b50a0
144c849c33a
152c4c24763
hex1aefe8d30

7230885168 has 80 divisors (see below), whose sum is σ = 20371473920. Its totient is φ = 2196709632.

The previous prime is 7230885149. The next prime is 7230885169. The reversal of 7230885168 is 8615880327.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7230885169) 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 15 ways as a sum of consecutive naturals, for example, 24046 + ... + 122637.

It is an arithmetic number, because the mean of its divisors is an integer number (254643424).

Almost surely, 27230885168 is an apocalyptic number.

7230885168 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7230885168 is an abundant number, since it is smaller than the sum of its proper divisors (13140588752).

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

7230885168 is a wasteful number, since it uses less digits than its factorization.

7230885168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146786 (or 146780 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 7230885168 is about 85034.6115884585. The cubic root of 7230885168 is about 1933.7358771256.

The spelling of 7230885168 in words is "seven billion, two hundred thirty million, eight hundred eighty-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 79 104 156 158 208 237 312 316 474 624 632 948 1027 1264 1896 2054 3081 3792 4108 6162 8216 12324 16432 24648 49296 146683 293366 440049 586732 880098 1173464 1760196 1906879 2346928 3520392 3813758 5720637 7040784 7627516 11441274 11587957 15255032 22882548 23175914 30510064 34763871 45765096 46351828 69527742 91530192 92703656 139055484 150643441 185407312 278110968 301286882 451930323 556221936 602573764 903860646 1205147528 1807721292 2410295056 3615442584 7230885168