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8643053560 = 235216076339
BaseRepresentation
bin10000000110010101…
…01000011111111000
3211022100102121112211
420003022220133320
5120200110203220
63545350344504
7424116512611
oct100312503770
924270377484
108643053560
113735862079
12181265b134
13a7983439b
145bdc5ac08
15358bbeb5a
hex2032a87f8

8643053560 has 16 divisors (see below), whose sum is σ = 19446870600. Its totient is φ = 3457221408.

The previous prime is 8643053557. The next prime is 8643053561. The reversal of 8643053560 is 653503468.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 216076339 = 8643053560 / (8 + 6 + 4 + 3 + 0 + 5 + 3 + 5 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8643053561) 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, 108038130 + ... + 108038209.

Almost surely, 28643053560 is an apocalyptic number.

It is an amenable number.

8643053560 is an abundant number, since it is smaller than the sum of its proper divisors (10803817040).

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

8643053560 is a wasteful number, since it uses less digits than its factorization.

8643053560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216076350 (or 216076346 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 8643053560 is about 92968.0243954877. The cubic root of 8643053560 is about 2052.2128443056.

The spelling of 8643053560 in words is "eight billion, six hundred forty-three million, fifty-three thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 216076339 432152678 864305356 1080381695 1728610712 2160763390 4321526780 8643053560