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47249224418 = 21128921572
BaseRepresentation
bin101100000000010001…
…011111001011100010
311111221212202021220202
4230000101133023202
51233231300140133
633412254505202
73261610531604
oct540021371342
9144855667822
1047249224418
1119046a56700
1291a7805202
1345bcbb8b76
142403281174
1513681302e8
hexb0045f2e2

47249224418 has 54 divisors (see below), whose sum is σ = 79292821923. Its totient is φ = 21100347840.

The previous prime is 47249224417. The next prime is 47249224423. The reversal of 47249224418 is 81442294274.

It can be written as a sum of positive squares in 5 ways, for example, as 2676303289 + 44572921129 = 51733^2 + 211123^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=153703.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47249224417) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 300950396 + ... + 300950552.

Almost surely, 247249224418 is an apocalyptic number.

47249224418 is a deficient number, since it is larger than the sum of its proper divisors (32043597505).

47249224418 is an equidigital number, since it uses as much as digits as its factorization.

47249224418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 259 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 47.

The spelling of 47249224418 in words is "forty-seven billion, two hundred forty-nine million, two hundred twenty-four thousand, four hundred eighteen".

Divisors: 1 2 11 22 89 121 157 178 242 314 979 1727 1958 3454 7921 10769 13973 15842 18997 21538 24649 27946 37994 49298 87131 153703 174262 271139 307406 542278 958441 1243597 1690733 1916882 2193761 2487194 2982529 3381466 4387522 5965058 13679567 24131371 27359134 48262742 150475237 195244729 265445081 300950474 390489458 530890162 2147692019 4295384038 23624612209 47249224418