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712080128 = 284167843
BaseRepresentation
bin101010011100010…
…111101100000000
31211121220102022002
4222130113230000
52424243031003
6154354203132
723434403234
oct5234275400
91747812262
10712080128
11335a50381
1217a5834a8
13b46ab9b6
146a8005c4
15427aba88
hex2a717b00

712080128 has 36 divisors (see below), whose sum is σ = 1456067928. Its totient is φ = 347351040.

The previous prime is 712080101. The next prime is 712080163. The reversal of 712080128 is 821080217.

It is a self number, because there is not a number n which added to its sum of digits gives 712080128.

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 3 ways as a sum of consecutive naturals, for example, 23426 + ... + 44417.

Almost surely, 2712080128 is an apocalyptic number.

It is an amenable number.

712080128 is an abundant number, since it is smaller than the sum of its proper divisors (743987800).

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

712080128 is an equidigital number, since it uses as much as digits as its factorization.

712080128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67900 (or 67886 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 712080128 is about 26684.8295478911. The cubic root of 712080128 is about 892.9825151539.

The spelling of 712080128 in words is "seven hundred twelve million, eighty thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 41 64 82 128 164 256 328 656 1312 2624 5248 10496 67843 135686 271372 542744 1085488 2170976 2781563 4341952 5563126 8683904 11126252 17367808 22252504 44505008 89010016 178020032 356040064 712080128