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5237960018281 = 17261222072
BaseRepresentation
bin100110000111000111010…
…1111110000100101101001
3200112202002102212112120121
41030032032233300211221
51141304320231041111
615050141405323241
71050300350354314
oct114161657604551
920482072775517
105237960018281
11173a4519712a1
1270719a266521
132bcc25930203
1414173912d97b
15913b851d871
hex4c38ebf0969

5237960018281 has 27 divisors (see below), whose sum is σ = 5659475811717. Its totient is φ = 4846830483840.

The previous prime is 5237960018267. The next prime is 5237960018287. The reversal of 5237960018281 is 1828100697325.

It is a happy number.

The square root of 5237960018281 is 2288659.

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

It can be written as a sum of positive squares in 4 ways, for example, as 483309992025 + 4754650026256 = 695205^2 + 2180516^2 .

It is not a de Polignac number, because 5237960018281 - 231 = 5235812534633 is a prime.

It is a super-2 number, since 2×52379600182812 (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5237960018287) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2373338280 + ... + 2373340486.

Almost surely, 25237960018281 is an apocalyptic number.

5237960018281 is the 2288659-th square number.

5237960018281 is the 1144330-th centered octagonal number.

It is an amenable number.

5237960018281 is a deficient number, since it is larger than the sum of its proper divisors (421515793436).

5237960018281 is an frugal number, since it uses more digits than its factorization.

5237960018281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570 (or 2285 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 5237960018281 in words is "five trillion, two hundred thirty-seven billion, nine hundred sixty million, eighteen thousand, two hundred eighty-one".

Divisors: 1 17 61 289 1037 2207 3721 17629 37519 63257 134627 637823 1075369 2288659 4870849 8212247 38907203 82804433 139608199 297121789 1407675361 2373339383 5051070413 18124429129 85868197021 308115295193 5237960018281