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5243136831 = 33194190253
BaseRepresentation
bin1001110001000001…
…11110101100111111
3111112101212221121000
410320200332230333
541214220334311
62224134341343
7243633633132
oct47040765477
914471787530
105243136831
112250683339
121023aba853
1365733a43a
1437a4b2219
1520a482056
hex13883eb3f

5243136831 has 8 divisors (see below), whose sum is σ = 7767610160. Its totient is φ = 3495424536.

The previous prime is 5243136799. The next prime is 5243136839. The reversal of 5243136831 is 1386313425.

It is not a de Polignac number, because 5243136831 - 25 = 5243136799 is a prime.

It is a super-2 number, since 2×52431368312 = 54980967657177445122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243136839) 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 7 ways as a sum of consecutive naturals, for example, 97095100 + ... + 97095153.

It is an arithmetic number, because the mean of its divisors is an integer number (970951270).

Almost surely, 25243136831 is an apocalyptic number.

5243136831 is a deficient number, since it is larger than the sum of its proper divisors (2524473329).

5243136831 is a wasteful number, since it uses less digits than its factorization.

5243136831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194190262 (or 194190256 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 5243136831 is about 72409.5078770737. The cubic root of 5243136831 is about 1737.2556411250.

The spelling of 5243136831 in words is "five billion, two hundred forty-three million, one hundred thirty-six thousand, eight hundred thirty-one".

Divisors: 1 3 9 27 194190253 582570759 1747712277 5243136831