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11628287808 = 263191317089
BaseRepresentation
bin10101101010001100…
…11001011101000000
31010000101200020002020
422311012121131000
5142303320202213
65201510321440
7561105546504
oct126506313500
933011606066
1011628287808
114a27957815
122306359280
131134148a97
147c44dc304
15480ce8923
hex2b5199740

11628287808 has 56 divisors (see below), whose sum is σ = 30927690240. Its totient is φ = 3855790080.

The previous prime is 11628287773. The next prime is 11628287819. The reversal of 11628287808 is 80878282611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121873 + ... + 195216.

Almost surely, 211628287808 is an apocalyptic number.

It is an amenable number.

11628287808 is an abundant number, since it is smaller than the sum of its proper divisors (19299402432).

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

11628287808 is a wasteful number, since it uses less digits than its factorization.

11628287808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317295 (or 317285 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 11628287808 in words is "eleven billion, six hundred twenty-eight million, two hundred eighty-seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 191 192 382 573 764 1146 1528 2292 3056 4584 6112 9168 12224 18336 36672 317089 634178 951267 1268356 1902534 2536712 3805068 5073424 7610136 10146848 15220272 20293696 30440544 60563999 60881088 121127998 181691997 242255996 363383994 484511992 726767988 969023984 1453535976 1938047968 2907071952 3876095936 5814143904 11628287808