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20604100712 = 2313198116353
BaseRepresentation
bin10011001100000110…
…011010000001101000
31222011221020202122012
4103030012122001220
5314144122210322
613244305215052
71326405652316
oct231406320150
958157222565
1020604100712
118813528908
123bb0331488
131c348aab90
14dd66190b6
15808ce8ae2
hex4cc19a068

20604100712 has 16 divisors (see below), whose sum is σ = 41604434340. Its totient is φ = 9509584896.

The previous prime is 20604100709. The next prime is 20604100771. The reversal of 20604100712 is 21700140602.

It can be written as a sum of positive squares in 2 ways, for example, as 16849597636 + 3754503076 = 129806^2 + 61274^2 .

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, 99058073 + ... + 99058280.

Almost surely, 220604100712 is an apocalyptic number.

It is an amenable number.

20604100712 is an abundant number, since it is smaller than the sum of its proper divisors (21000333628).

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

20604100712 is a wasteful number, since it uses less digits than its factorization.

20604100712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198116372 (or 198116368 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The spelling of 20604100712 in words is "twenty billion, six hundred four million, one hundred thousand, seven hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 198116353 396232706 792465412 1584930824 2575512589 5151025178 10302050356 20604100712