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5285600781 = 3173179101419
BaseRepresentation
bin1001110110000101…
…11101111000001101
3111122100210100011220
410323002331320031
541311103211111
62232252433553
7244660602546
oct47302757015
914570710156
105285600781
11227264710a
1210361788b9
13663087636
14381da74cd
1520e06de06
hex13b0bde0d

5285600781 has 64 divisors (see below), whose sum is σ = 7896268800. Its totient is φ = 3129984000.

The previous prime is 5285600759. The next prime is 5285600783. The reversal of 5285600781 is 1870065825.

It is not a de Polignac number, because 5285600781 - 26 = 5285600717 is a prime.

It is a super-2 number, since 2×52856007812 = 55875151232215619922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285600783) 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, 12614590 + ... + 12615008.

It is an arithmetic number, because the mean of its divisors is an integer number (123379200).

Almost surely, 25285600781 is an apocalyptic number.

5285600781 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5285600781 is a deficient number, since it is larger than the sum of its proper divisors (2610668019).

5285600781 is a wasteful number, since it uses less digits than its factorization.

5285600781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 5285600781 is about 72702.1373894881. The cubic root of 5285600781 is about 1741.9330238279.

The spelling of 5285600781 in words is "five billion, two hundred eighty-five million, six hundred thousand, seven hundred eighty-one".

Divisors: 1 3 17 31 51 79 93 101 237 303 419 527 1257 1343 1581 1717 2449 3131 4029 5151 7123 7347 7979 9393 12989 21369 23937 33101 38967 41633 42319 53227 99303 124899 126957 135643 159681 220813 247349 406929 562717 662439 719423 742047 1026131 1311889 1688151 2158269 3078393 3343201 3935667 4204933 10029603 12614799 17444227 22302113 52332681 56834417 66906339 103639231 170503251 310917693 1761866927 5285600781