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5479938831 = 317173621097
BaseRepresentation
bin1010001101010000…
…10011101100001111
3112010220110201212110
411012220103230033
542210331020311
62303434035103
7252540466023
oct50650235417
915126421773
105479938831
112362312174
12108b278a93
1369440b773
1439db14383
1522115a8a6
hex146a13b0f

5479938831 has 16 divisors (see below), whose sum is σ = 7781115744. Its totient is φ = 3418512384.

The previous prime is 5479938829. The next prime is 5479938839. The reversal of 5479938831 is 1388399745.

It is not a de Polignac number, because 5479938831 - 21 = 5479938829 is a prime.

It is a super-2 number, since 2×54799388312 = 60059459183003293122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5479938839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301726 + ... + 319371.

It is an arithmetic number, because the mean of its divisors is an integer number (486319734).

Almost surely, 25479938831 is an apocalyptic number.

5479938831 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5479938831 is a deficient number, since it is larger than the sum of its proper divisors (2301176913).

5479938831 is a wasteful number, since it uses less digits than its factorization.

5479938831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621290.

The product of its digits is 6531840, while the sum is 57.

The square root of 5479938831 is about 74026.6089389484. The cubic root of 5479938831 is about 1763.0254040870.

The spelling of 5479938831 in words is "five billion, four hundred seventy-nine million, nine hundred thirty-eight thousand, eight hundred thirty-one".

Divisors: 1 3 17 51 173 519 2941 8823 621097 1863291 10558649 31675947 107449781 322349343 1826646277 5479938831