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5223158731 = 76721295231
BaseRepresentation
bin1001101110101001…
…10001001111001011
3111111000021221210101
410313110301033023
541144112034411
62222142230231
7243302055010
oct46724611713
914430257711
105223158731
11224037850a
121019285377
13653163c8b
14377991707
152088378c1
hex1375313cb

5223158731 has 16 divisors (see below), whose sum is σ = 6062423040. Its totient is φ = 4407258240.

The previous prime is 5223158719. The next prime is 5223158749. The reversal of 5223158731 is 1378513225.

It is not a de Polignac number, because 5223158731 - 213 = 5223150539 is a prime.

It is a super-3 number, since 3×52231587313 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5223158131) 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, 995886 + ... + 1001116.

It is an arithmetic number, because the mean of its divisors is an integer number (378901440).

Almost surely, 25223158731 is an apocalyptic number.

5223158731 is a deficient number, since it is larger than the sum of its proper divisors (839264309).

5223158731 is a wasteful number, since it uses less digits than its factorization.

5223158731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434.

The product of its digits is 50400, while the sum is 37.

The square root of 5223158731 is about 72271.4240277580. The cubic root of 5223158731 is about 1735.0463248683.

The spelling of 5223158731 in words is "five billion, two hundred twenty-three million, one hundred fifty-eight thousand, seven hundred thirty-one".

Divisors: 1 7 67 469 2129 5231 14903 36617 142643 350477 998501 2453339 11136799 77957593 746165533 5223158731