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72302888868 = 2237860748677
BaseRepresentation
bin100001101010110010…
…1101000011110100100
320220121220122022111220
41003111211220132210
52141034014420433
653114313500340
75136506262240
oct1032545503644
9226556568456
1072302888868
1128733106611
121201a1116b0
136a835916a2
1436dc7d7420
151d328a32b3
hex10d59687a4

72302888868 has 24 divisors (see below), whose sum is σ = 192807703872. Its totient is φ = 20657968224.

The previous prime is 72302888863. The next prime is 72302888873. The reversal of 72302888868 is 86888820327.

It is an interprime number because it is at equal distance from previous prime (72302888863) and next prime (72302888873).

It is not an unprimeable number, because it can be changed into a prime (72302888863) 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 7 ways as a sum of consecutive naturals, for example, 430374255 + ... + 430374422.

It is an arithmetic number, because the mean of its divisors is an integer number (8033654328).

Almost surely, 272302888868 is an apocalyptic number.

It is an amenable number.

72302888868 is an abundant number, since it is smaller than the sum of its proper divisors (120504815004).

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

72302888868 is a wasteful number, since it uses less digits than its factorization.

72302888868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860748691 (or 860748689 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 60.

The spelling of 72302888868 in words is "seventy-two billion, three hundred two million, eight hundred eighty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 860748677 1721497354 2582246031 3442994708 5164492062 6025240739 10328984124 12050481478 18075722217 24100962956 36151444434 72302888868