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5729542731 = 3211291995661
BaseRepresentation
bin1010101011000000…
…11110001001001011
3112210022010221001100
411111200132021023
543213230331411
62344311552443
7261661211133
oct52540361113
915708127040
105729542731
1124801a5290
12113a98b723
13704042a93
143c4d29ac3
15238012456
hex15581e24b

5729542731 has 24 divisors (see below), whose sum is σ = 9339698160. Its totient is φ = 3352708800.

The previous prime is 5729542727. The next prime is 5729542769. The reversal of 5729542731 is 1372459275.

It is a happy number.

5729542731 is a `hidden beast` number, since 5 + 72 + 9 + 542 + 7 + 31 = 666.

It is not a de Polignac number, because 5729542731 - 22 = 5729542727 is a prime.

It is a super-3 number, since 3×57295427313 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (5729542831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 994960 + ... + 1000701.

It is an arithmetic number, because the mean of its divisors is an integer number (389154090).

Almost surely, 25729542731 is an apocalyptic number.

5729542731 is a deficient number, since it is larger than the sum of its proper divisors (3610155429).

5729542731 is a wasteful number, since it uses less digits than its factorization.

5729542731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995707 (or 1995704 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 5729542731 is about 75693.7430108989. The cubic root of 5729542731 is about 1789.3967913286.

The spelling of 5729542731 in words is "five billion, seven hundred twenty-nine million, five hundred forty-two thousand, seven hundred thirty-one".

Divisors: 1 3 9 11 29 33 87 99 261 319 957 2871 1995661 5986983 17960949 21952271 57874169 65856813 173622507 197570439 520867521 636615859 1909847577 5729542731