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98068559281 = 76112832
BaseRepresentation
bin101101101010101010…
…1110111010110110001
3100101010120021222200021
41123111111313112301
53101321022344111
6113015125323441
710041142000000
oct1332525672661
9311116258607
1098068559281
1138655166100
121700ab66581
13932b61b204
144a64730c37
15283e8bad71
hex16d55775b1

98068559281 has 63 divisors (see below), whose sum is σ = 127293377113. Its totient is φ = 75496371720.

The previous prime is 98068559279. The next prime is 98068559297. The reversal of 98068559281 is 18295586089.

The square root of 98068559281 is 313159.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 98068559281 - 21 = 98068559279 is a prime.

It is a super-2 number, since 2×980685592812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98068559201) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1181548866 + ... + 1181548948.

Almost surely, 298068559281 is an apocalyptic number.

98068559281 is the 313159-th square number.

98068559281 is the 156580-th centered octagonal number.

It is an amenable number.

98068559281 is a deficient number, since it is larger than the sum of its proper divisors (29224817832).

98068559281 is an frugal number, since it uses more digits than its factorization.

98068559281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 61.

The spelling of 98068559281 in words is "ninety-eight billion, sixty-eight million, five hundred fifty-nine thousand, two hundred eighty-one".

Divisors: 1 7 11 49 77 83 121 343 539 581 847 913 2401 3773 4067 5929 6391 6889 10043 16807 26411 28469 41503 44737 48223 70301 75779 117649 184877 199283 290521 313159 337561 492107 530453 833569 1294139 1394981 2033647 2192113 2362927 3444749 3713171 5834983 9764867 14235529 15344791 16540489 24113243 25992197 40844881 107413537 115783423 168792701 181945379 285914167 810483961 1181548907 1273617653 2001399169 8915323571 14009794183 98068559281