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72303025308 = 223231709153287
BaseRepresentation
bin100001101010110011…
…0001001110010011100
320220121220220020200020
41003111212021302130
52141034033302213
653114320432140
75136510401103
oct1032546116234
9226556806606
1072303025308
112873319a078
121201a178650
136a8360b817
1436dc83103a
151d328cd923
hex10d5989c9c

72303025308 has 48 divisors (see below), whose sum is σ = 176146306560. Its totient is φ = 23039498944.

The previous prime is 72303025297. The next prime is 72303025309. The reversal of 72303025308 is 80352030327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72303025309) 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, 395041 + ... + 548327.

It is an arithmetic number, because the mean of its divisors is an integer number (3669714720).

Almost surely, 272303025308 is an apocalyptic number.

It is an amenable number.

72303025308 is an abundant number, since it is smaller than the sum of its proper divisors (103843281252).

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

72303025308 is a wasteful number, since it uses less digits than its factorization.

72303025308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155026 (or 155024 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 72303025308 in words is "seventy-two billion, three hundred three million, twenty-five thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1709 3418 5127 6836 10254 20508 39307 78614 117921 153287 157228 235842 306574 459861 471684 613148 919722 1839444 3525601 7051202 10576803 14102404 21153606 42307212 261967483 523934966 785902449 1047869932 1571804898 3143609796 6025252109 12050504218 18075756327 24101008436 36151512654 72303025308