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5438542968 = 2332569132751
BaseRepresentation
bin1010001000010100…
…11001010001111000
3112001000120121102100
411010022121101320
542114231333333
62255354503400
7251525565255
oct50412312170
915030517370
105438542968
112340a08911
121079434b60
13688976781
1439841a42c
1521c6d0213
hex144299478

5438542968 has 48 divisors (see below), whose sum is σ = 14755384800. Its totient is φ = 1809648000.

The previous prime is 5438542951. The next prime is 5438542969. The reversal of 5438542968 is 8692458345.

5438542968 is a `hidden beast` number, since 5 + 4 + 3 + 8 + 542 + 96 + 8 = 666.

It is a super-2 number, since 2×54385429682 = 59155499229564498048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438542969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25408 + ... + 107343.

It is an arithmetic number, because the mean of its divisors is an integer number (307403850).

Almost surely, 25438542968 is an apocalyptic number.

It is an amenable number.

5438542968 is an abundant number, since it is smaller than the sum of its proper divisors (9316841832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5438542968 is a wasteful number, since it uses less digits than its factorization.

5438542968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133332 (or 133325 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 5438542968 is about 73746.4776650383. The cubic root of 5438542968 is about 1758.5748371582.

The spelling of 5438542968 in words is "five billion, four hundred thirty-eight million, five hundred forty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 569 1138 1707 2276 3414 4552 5121 6828 10242 13656 20484 40968 132751 265502 398253 531004 796506 1062008 1194759 1593012 2389518 3186024 4779036 9558072 75535319 151070638 226605957 302141276 453211914 604282552 679817871 906423828 1359635742 1812847656 2719271484 5438542968