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25755308328085 = 5779155317333461
BaseRepresentation
bin1011101101100101000000…
…00000010000010010010101
310101012011221201110012121121
411312302200000100102111
511333433332412444320
6130435454133243541
75265521356444360
oct566624000202225
9111164851405547
1025755308328085
11822a846125746
122a7b6747935b1
13114a93b268b8b
146507c663b0d7
152e9e4c0628aa
hex176ca0010495

25755308328085 has 64 divisors (see below), whose sum is σ = 35822706554880. Its totient is φ = 17410913095680.

The previous prime is 25755308328083. The next prime is 25755308328103. The reversal of 25755308328085 is 58082380355752.

It is a happy number.

It is not a de Polignac number, because 25755308328085 - 21 = 25755308328083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25755308328083) 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, 7441578255 + ... + 7441581715.

It is an arithmetic number, because the mean of its divisors is an integer number (559729789920).

Almost surely, 225755308328085 is an apocalyptic number.

It is an amenable number.

25755308328085 is a deficient number, since it is larger than the sum of its proper divisors (10067398226795).

25755308328085 is a wasteful number, since it uses less digits than its factorization.

25755308328085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838.

The product of its (nonzero) digits is 80640000, while the sum is 61.

The spelling of 25755308328085 in words is "twenty-five trillion, seven hundred fifty-five billion, three hundred eight million, three hundred twenty-eight thousand, eighty-five".

Divisors: 1 5 7 35 79 395 553 1553 1733 2765 3461 7765 8665 10871 12131 17305 24227 54355 60655 121135 122687 136907 273419 613435 684535 858809 958349 1367095 1913933 2691349 4294045 4791745 5374933 5997913 9569665 13456745 18839443 26874665 29989565 37624531 41985391 94197215 188122655 209926955 212616571 424619707 473835127 1063082855 1488315997 2123098535 2369175635 2972337949 3316845889 7441579985 9314758889 14861689745 16584229445 46573794445 65203312223 326016561115 735865952231 3679329761155 5151061665617 25755308328085