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9069853688 = 237161961673
BaseRepresentation
bin10000111001001101…
…01111101111111000
3212102002112022020222
420130212233233320
5122033340304223
64055554235212
7440521325060
oct103446575770
925362468228
109069853688
113934772355
121911585b08
13b1709a33c
146207da3a0
153813c90c8
hex21c9afbf8

9069853688 has 16 divisors (see below), whose sum is σ = 19435400880. Its totient is φ = 3887080128.

The previous prime is 9069853679. The next prime is 9069853693. The reversal of 9069853688 is 8863589609.

It is a self number, because there is not a number n which added to its sum of digits gives 9069853688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80980781 + ... + 80980892.

It is an arithmetic number, because the mean of its divisors is an integer number (1214712555).

Almost surely, 29069853688 is an apocalyptic number.

It is an amenable number.

9069853688 is an abundant number, since it is smaller than the sum of its proper divisors (10365547192).

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

9069853688 is a wasteful number, since it uses less digits than its factorization.

9069853688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161961686 (or 161961682 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 62.

The square root of 9069853688 is about 95235.7794528926. The cubic root of 9069853688 is about 2085.4514978194.

The spelling of 9069853688 in words is "nine billion, sixty-nine million, eight hundred fifty-three thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 161961673 323923346 647846692 1133731711 1295693384 2267463422 4534926844 9069853688