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5317180561 = 721129472
BaseRepresentation
bin1001111001110110…
…11011110010010001
3111201120012202111101
410330323123302101
541342144234221
62235341344401
7245523201100
oct47473336221
914646182441
105317180561
112289456500
121044868101
136697936b4
14386268037
15211c0ad91
hex13cedbc91

5317180561 has 27 divisors (see below), whose sum is σ = 6805895817. Its totient is φ = 4138882440.

The previous prime is 5317180553. The next prime is 5317180579. The reversal of 5317180561 is 1650817135.

The square root of 5317180561 is 72919.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 5317180561 - 23 = 5317180553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5317180561.

It is not an unprimeable number, because it can be changed into a prime (5317180591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5614290 + ... + 5615236.

Almost surely, 25317180561 is an apocalyptic number.

5317180561 is the 72919-th square number.

5317180561 is the 36460-th centered octagonal number.

It is an amenable number.

5317180561 is a deficient number, since it is larger than the sum of its proper divisors (1488715256).

5317180561 is an frugal number, since it uses more digits than its factorization.

5317180561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The cubic root of 5317180561 is about 1745.3953024902.

Adding to 5317180561 its reverse (1650817135), we get a palindrome (6967997696).

The spelling of 5317180561 in words is "five billion, three hundred seventeen million, one hundred eighty thousand, five hundred sixty-one".

Divisors: 1 7 11 49 77 121 539 847 947 5929 6629 10417 46403 72919 114587 510433 802109 896809 5614763 6277663 9864899 43943641 69054293 108513889 483380051 759597223 5317180561