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28560970368 = 273273541787
BaseRepresentation
bin11010100110010111…
…011101001010000000
32201201110111121211100
4122212113131022000
5431443102022433
621042024414400
72030524146120
oct324627351200
981643447740
1028560970368
1111126a17847
125651017400
1329021cc688
14154d296c80
15b22624b13
hex6a65dd280

28560970368 has 96 divisors (see below), whose sum is σ = 93928217760. Its totient is φ = 8160274944.

The previous prime is 28560970327. The next prime is 28560970379. The reversal of 28560970368 is 86307906582.

It is a happy number.

28560970368 is a `hidden beast` number, since 2 + 8 + 560 + 9 + 70 + 3 + 6 + 8 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762830 + ... + 1778957.

It is an arithmetic number, because the mean of its divisors is an integer number (978418935).

Almost surely, 228560970368 is an apocalyptic number.

28560970368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28560970368 is an abundant number, since it is smaller than the sum of its proper divisors (65367247392).

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

28560970368 is a wasteful number, since it uses less digits than its factorization.

28560970368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541814 (or 3541799 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 28560970368 in words is "twenty-eight billion, five hundred sixty million, nine hundred seventy thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 288 336 384 448 504 576 672 896 1008 1152 1344 2016 2688 4032 8064 3541787 7083574 10625361 14167148 21250722 24792509 28334296 31876083 42501444 49585018 56668592 63752166 74377527 85002888 99170036 113337184 127504332 148755054 170005776 198340072 223132581 226674368 255008664 297510108 340011552 396680144 446265162 453348736 510017328 595020216 680023104 793360288 892530324 1020034656 1190040432 1360046208 1586720576 1785060648 2040069312 2380080864 3173441152 3570121296 4080138624 4760161728 7140242592 9520323456 14280485184 28560970368