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1080028512 = 25335921187
BaseRepresentation
bin100000001011111…
…1110110101100000
32210021021010121000
41000113332311200
54202441403022
6255100432000
735523043113
oct10027766540
92707233530
101080028512
11504714452
12261848600
131429aa534
14a362057a
1564c3d6ac
hex405fed60

1080028512 has 96 divisors (see below), whose sum is σ = 3203625600. Its totient is φ = 353890944.

The previous prime is 1080028511. The next prime is 1080028517. The reversal of 1080028512 is 2158200801.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080028511) 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, 40383 + ... + 61569.

It is an arithmetic number, because the mean of its divisors is an integer number (33371100).

Almost surely, 21080028512 is an apocalyptic number.

1080028512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080028512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601812800).

1080028512 is an abundant number, since it is smaller than the sum of its proper divisors (2123597088).

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

1080028512 is a wasteful number, since it uses less digits than its factorization.

1080028512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21265 (or 21251 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1080028512 is about 32863.7872437125. The cubic root of 1080028512 is about 1025.9945965996.

The spelling of 1080028512 in words is "one billion, eighty million, twenty-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 59 72 96 108 118 144 177 216 236 288 354 432 472 531 708 864 944 1062 1416 1593 1888 2124 2832 3186 4248 5664 6372 8496 12744 16992 21187 25488 42374 50976 63561 84748 127122 169496 190683 254244 338992 381366 508488 572049 677984 762732 1016976 1144098 1250033 1525464 2033952 2288196 2500066 3050928 3750099 4576392 5000132 6101856 7500198 9152784 10000264 11250297 15000396 18305568 20000528 22500594 30000792 33750891 40001056 45001188 60001584 67501782 90002376 120003168 135003564 180004752 270007128 360009504 540014256 1080028512