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5206313631 = 317317146381
BaseRepresentation
bin1001101100101001…
…00000101010011111
3111102211121010122210
410312110200222133
541130304014011
62220341211503
7243005635641
oct46624405237
914384533583
105206313631
112231912542
121013700b93
1364c81686c
14375648891
1520710b6a6
hex136520a9f

5206313631 has 32 divisors (see below), whose sum is σ = 7694217216. Its totient is φ = 3116736000.

The previous prime is 5206313611. The next prime is 5206313647. The reversal of 5206313631 is 1363136025.

It is a happy number.

It is not a de Polignac number, because 5206313631 - 219 = 5205789343 is a prime.

It is a super-2 number, since 2×52063136312 = 54211403248672808322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206313611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89061 + ... + 135441.

It is an arithmetic number, because the mean of its divisors is an integer number (240444288).

Almost surely, 25206313631 is an apocalyptic number.

5206313631 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5206313631 is a deficient number, since it is larger than the sum of its proper divisors (2487903585).

5206313631 is a wasteful number, since it uses less digits than its factorization.

5206313631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46503.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 5206313631 is about 72154.7893836577. The cubic root of 5206313631 is about 1733.1790955666.

Adding to 5206313631 its reverse (1363136025), we get a palindrome (6569449656).

The spelling of 5206313631 in words is "five billion, two hundred six million, three hundred thirteen thousand, six hundred thirty-one".

Divisors: 1 3 17 31 51 71 93 213 527 1207 1581 2201 3621 6603 37417 46381 112251 139143 788477 1437811 2365431 3293051 4313433 9879153 24442787 55981867 73328361 102084581 167945601 306253743 1735437877 5206313631