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86728248630 = 23256113157639
BaseRepresentation
bin101000011000101101…
…0000000110100110110
322021212020111111222200
41100301122000310312
52410104412424010
6103501543205330
76160130643552
oct1206132006466
9267766444880
1086728248630
1133865920941
1214985146846
138242050a1a
1442aa596862
1523c9008cc0
hex1431680d36

86728248630 has 48 divisors (see below), whose sum is σ = 225531764640. Its totient is φ = 23123602944.

The previous prime is 86728248623. The next prime is 86728248647. The reversal of 86728248630 is 3684282768.

86728248630 is a `hidden beast` number, since 86 + 7 + 2 + 82 + 486 + 3 + 0 = 666.

It is a super-2 number, since 2×867282486302 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471351 + ... + 628989.

It is an arithmetic number, because the mean of its divisors is an integer number (4698578430).

Almost surely, 286728248630 is an apocalyptic number.

86728248630 is an abundant number, since it is smaller than the sum of its proper divisors (138803516010).

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

86728248630 is a wasteful number, since it uses less digits than its factorization.

86728248630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163765 (or 163762 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 86728248630 in words is "eighty-six billion, seven hundred twenty-eight million, two hundred forty-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 6113 12226 18339 30565 36678 55017 61130 91695 110034 157639 183390 275085 315278 472917 550170 788195 945834 1418751 1576390 2364585 2837502 4729170 7093755 14187510 963647207 1927294414 2890941621 4818236035 5781883242 8672824863 9636472070 14454708105 17345649726 28909416210 43364124315 86728248630