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138068787582824 = 2376823886340771
BaseRepresentation
bin11111011001001010100101…
…000010011101011101101000
3200002212020200012100221210212
4133121022211002131131220
5121044104334110122244
61205351531514400252
741040066160424510
oct3731124502353550
9602766605327725
10138068787582824
113aaa170a16556a
121359a7a5730088
135c06aa5372677
1426147ca410840
1510e674547ed9e
hex7d92a509d768

138068787582824 has 64 divisors (see below), whose sum is σ = 295945695191040. Its totient is φ = 59155538742720.

The previous prime is 138068787582821. The next prime is 138068787582829. The reversal of 138068787582824 is 428285787860831.

It is not an unprimeable number, because it can be changed into a prime (138068787582821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3386425559 + ... + 3386466329.

It is an arithmetic number, because the mean of its divisors is an integer number (4624151487360).

Almost surely, 2138068787582824 is an apocalyptic number.

138068787582824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

138068787582824 is an abundant number, since it is smaller than the sum of its proper divisors (157876907608216).

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

138068787582824 is a wasteful number, since it uses less digits than its factorization.

138068787582824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56470 (or 56466 counting only the distinct ones).

The product of its (nonzero) digits is 2312110080, while the sum is 77.

The spelling of 138068787582824 in words is "one hundred thirty-eight trillion, sixty-eight billion, seven hundred eighty-seven million, five hundred eighty-two thousand, eight hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 6823 8863 13646 17726 27292 35452 40771 47761 54584 62041 70904 81542 95522 124082 163084 191044 248164 285397 326168 382088 496328 570794 1141588 2283176 60472249 120944498 241888996 278180533 361353373 423305743 483777992 556361066 722706746 846611486 1112722132 1445413492 1693222972 1947263731 2225444264 2529473611 2890826984 3386445944 3894527462 5058947222 7789054924 10117894444 15578109848 20235788888 2465514063979 4931028127958 9862056255916 17258598447853 19724112511832 34517196895706 69034393791412 138068787582824