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13886400768 = 283171975399
BaseRepresentation
bin11001110111011000…
…11010100100000000
31022211202201020201120
430323230122210000
5211414404311033
610213533432240
71001055313302
oct147354324400
938752636646
1013886400768
115986569479
12283663b680
131403c164b6
1495a385972
155641941b3
hex33bb1a900

13886400768 has 144 divisors (see below), whose sum is σ = 39338006400. Its totient is φ = 4333600768.

The previous prime is 13886400767. The next prime is 13886400821. The reversal of 13886400768 is 86700468831.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 13886400768.

It is not an unprimeable number, because it can be changed into a prime (13886400767) 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, 2569333 + ... + 2574731.

It is an arithmetic number, because the mean of its divisors is an integer number (273180600).

Almost surely, 213886400768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13886400768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19669003200).

13886400768 is an abundant number, since it is smaller than the sum of its proper divisors (25451605632).

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

13886400768 is a wasteful number, since it uses less digits than its factorization.

13886400768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632 (or 5618 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 13886400768 in words is "thirteen billion, eight hundred eighty-six million, four hundred thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 197 204 256 272 384 394 408 544 591 768 788 816 1088 1182 1576 1632 2176 2364 3152 3264 3349 4352 4728 5399 6304 6528 6698 9456 10047 10798 12608 13056 13396 16197 18912 20094 21596 25216 26792 32394 37824 40188 43192 50432 53584 64788 75648 80376 86384 91783 107168 129576 151296 160752 172768 183566 214336 259152 275349 321504 345536 367132 428672 518304 550698 643008 691072 734264 857344 1036608 1063603 1101396 1286016 1382144 1468528 2073216 2127206 2202792 2572032 2937056 3190809 4146432 4254412 4405584 5874112 6381618 8508824 8811168 11748224 12763236 17017648 17622336 18081251 23496448 25526472 34035296 35244672 36162502 51052944 54243753 68070592 70489344 72325004 102105888 108487506 136141184 144650008 204211776 216975012 272282368 289300016 408423552 433950024 578600032 816847104 867900048 1157200064 1735800096 2314400128 3471600192 4628800256 6943200384 13886400768