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8933923894 = 27718987851
BaseRepresentation
bin10000101001000000…
…01101110000110110
3212001121202100122011
420110200031300312
5121244041031034
64034300554434
7434251046230
oct102440156066
925047670564
108933923894
113874a70285
121893b52a1a
13ac4b867cc
1460a735250
153744c8864
hex21480dc36

8933923894 has 16 divisors (see below), whose sum is σ = 15531008256. Its totient is φ = 3774897000.

The previous prime is 8933923841. The next prime is 8933923907. The reversal of 8933923894 is 4983293398.

It is a super-2 number, since 2×89339238942 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4492932 + ... + 4494919.

It is an arithmetic number, because the mean of its divisors is an integer number (970688016).

Almost surely, 28933923894 is an apocalyptic number.

8933923894 is a deficient number, since it is larger than the sum of its proper divisors (6597084362).

8933923894 is a wasteful number, since it uses less digits than its factorization.

8933923894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987931.

The product of its digits is 10077696, while the sum is 58.

The square root of 8933923894 is about 94519.4365937504. The cubic root of 8933923894 is about 2074.9808016030.

The spelling of 8933923894 in words is "eight billion, nine hundred thirty-three million, nine hundred twenty-three thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 71 142 497 994 8987851 17975702 62914957 125829914 638137421 1276274842 4466961947 8933923894