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395488009045904 = 2417285529413721
BaseRepresentation
bin101100111101100011011101…
…0010010101100011110010000
31220212022021200100021010021012
41121323012322102230132100
5403314133420303432104
63521044403321550052
7146206031355416645
oct13173067222543620
91825267610233235
10395488009045904
11105018582834315
1238434286045328
1313c8a4892b9258
146d93a1677ddcc
1530ac83d9a9d6e
hex167b1ba4ac790

395488009045904 has 30 divisors (see below), whose sum is σ = 813983430392274. Its totient is φ = 186112004254720.

The previous prime is 395488009045897. The next prime is 395488009045919. The reversal of 395488009045904 is 409540900884593.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 41969044635904 + 353518964410000 = 6478352^2 + 18802100^2 .

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42764702237 + ... + 42764711484.

Almost surely, 2395488009045904 is an apocalyptic number.

395488009045904 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

395488009045904 is an abundant number, since it is smaller than the sum of its proper divisors (418495421346370).

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

395488009045904 is a wasteful number, since it uses less digits than its factorization.

395488009045904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85529413763 (or 85529413740 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 68.

The spelling of 395488009045904 in words is "three hundred ninety-five trillion, four hundred eighty-eight billion, nine million, forty-five thousand, nine hundred four".

Divisors: 1 2 4 8 16 17 34 68 136 272 289 578 1156 2312 4624 85529413721 171058827442 342117654884 684235309768 1368470619536 1454000033257 2908000066514 5816000133028 11632000266056 23264000532112 24718000565369 49436001130738 98872002261476 197744004522952 395488009045904