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2085056505 = 33573077187
BaseRepresentation
bin111110001000111…
…0110111111111001
312101022101211211000
41330101312333321
513232233302010
6542521555213
7102445454640
oct17421667771
95338354730
102085056505
1197aa618a4
124a2345b09
13272c8815c
1415acba357
15c30b47c0
hex7c476ff9

2085056505 has 64 divisors (see below), whose sum is σ = 4250695680. Its totient is φ = 949931712.

The previous prime is 2085056473. The next prime is 2085056507. The reversal of 2085056505 is 5056505802.

2085056505 is a `hidden beast` number, since 20 + 85 + 0 + 56 + 505 = 666.

It is not a de Polignac number, because 2085056505 - 25 = 2085056473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2085056505.

It is not an unprimeable number, because it can be changed into a prime (2085056507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 286522 + ... + 293708.

It is an arithmetic number, because the mean of its divisors is an integer number (66417120).

Almost surely, 22085056505 is an apocalyptic number.

It is an amenable number.

2085056505 is an abundant number, since it is smaller than the sum of its proper divisors (2165639175).

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

2085056505 is a wasteful number, since it uses less digits than its factorization.

2085056505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 2085056505 is about 45662.4189569497. The cubic root of 2085056505 is about 1277.5344190031.

The spelling of 2085056505 in words is "two billion, eighty-five million, fifty-six thousand, five hundred five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 307 315 921 945 1535 2149 2763 4605 6447 7187 8289 10745 13815 19341 21561 32235 35935 41445 50309 58023 64683 96705 107805 150927 194049 251545 290115 323415 452781 754635 970245 1358343 2206409 2263905 6619227 6791715 11032045 15444863 19857681 33096135 46334589 59573043 77224315 99288405 139003767 231672945 297865215 417011301 695018835 2085056505