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8889008011 = 13683769847
BaseRepresentation
bin10000100011101001…
…10111111110001011
3211221111020101121221
420101310313332023
5121201041224021
64030014142511
7433164215152
oct102164677613
924844211557
108889008011
113851682314
121880ab1a37
13ab878b570
146047a2599
153705a5241
hex211d37f8b

8889008011 has 4 divisors (see below), whose sum is σ = 9572777872. Its totient is φ = 8205238152.

The previous prime is 8889007973. The next prime is 8889008039. The reversal of 8889008011 is 1108009888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8889008011 - 29 = 8889007499 is a prime.

It is a super-2 number, since 2×88890080112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8889000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341884911 + ... + 341884936.

It is an arithmetic number, because the mean of its divisors is an integer number (2393194468).

Almost surely, 28889008011 is an apocalyptic number.

8889008011 is a deficient number, since it is larger than the sum of its proper divisors (683769861).

8889008011 is a wasteful number, since it uses less digits than its factorization.

8889008011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683769860.

The product of its (nonzero) digits is 36864, while the sum is 43.

The square root of 8889008011 is about 94281.5358964840. The cubic root of 8889008011 is about 2071.4975907636.

The spelling of 8889008011 in words is "eight billion, eight hundred eighty-nine million, eight thousand, eleven".

Divisors: 1 13 683769847 8889008011