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10728663312 = 243223513819
BaseRepresentation
bin10011111110111101…
…00110100100010000
31000200200212120021110
421333132212210100
5133433014211222
64532332253320
7526603063533
oct117736464420
930620776243
1010728663312
1146060615a4
1220b5011240
13101c9542b3
1473ac3ca1a
1542bd4330c
hex27f7a6910

10728663312 has 20 divisors (see below), whose sum is σ = 27715713680. Its totient is φ = 3576221088.

The previous prime is 10728663311. The next prime is 10728663349. The reversal of 10728663312 is 21336682701.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (10728663311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111756862 + ... + 111756957.

It is an arithmetic number, because the mean of its divisors is an integer number (1385785684).

Almost surely, 210728663312 is an apocalyptic number.

10728663312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10728663312 is an abundant number, since it is smaller than the sum of its proper divisors (16987050368).

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

10728663312 is a wasteful number, since it uses less digits than its factorization.

10728663312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223513830 (or 223513824 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 10728663312 in words is "ten billion, seven hundred twenty-eight million, six hundred sixty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 223513819 447027638 670541457 894055276 1341082914 1788110552 2682165828 3576221104 5364331656 10728663312