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8899857212 = 222976722907
BaseRepresentation
bin10000100100111100…
…10000101100111100
3211222020122120221012
420102132100230330
5121211330412322
64031042454352
7433355352401
oct102236205474
924866576835
108899857212
1138578124a4
1218846643b8
13abaab97cc
14605dc82a8
153714e9ae2
hex212790b3c

8899857212 has 12 divisors (see below), whose sum is σ = 16111810680. Its totient is φ = 4296482736.

The previous prime is 8899857181. The next prime is 8899857223. The reversal of 8899857212 is 2127589988.

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, 38361338 + ... + 38361569.

It is an arithmetic number, because the mean of its divisors is an integer number (1342650890).

Almost surely, 28899857212 is an apocalyptic number.

It is an amenable number.

8899857212 is a deficient number, since it is larger than the sum of its proper divisors (7211953468).

8899857212 is a wasteful number, since it uses less digits than its factorization.

8899857212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76722940 (or 76722938 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 59.

The square root of 8899857212 is about 94339.0545426442. The cubic root of 8899857212 is about 2072.3400153457.

The spelling of 8899857212 in words is "eight billion, eight hundred ninety-nine million, eight hundred fifty-seven thousand, two hundred twelve".

Divisors: 1 2 4 29 58 116 76722907 153445814 306891628 2224964303 4449928606 8899857212