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28534886430048 = 2532131975117109
BaseRepresentation
bin1100111110011110010111…
…10001001111010101100000
310202000220112022000220000100
412133033023301033111200
512220003421411230143
6140404425034422400
76003402041463225
oct637171361172540
9122026468026010
1028534886430048
119101639539a39
12324a303891a00
1312bca9c86437b
1470914b10594c
153473d05296d3
hex19f3cbc4f560

28534886430048 has 72 divisors (see below), whose sum is σ = 81207605278800. Its totient is φ = 9504417441024.

The previous prime is 28534886430007. The next prime is 28534886430053. The reversal of 28534886430048 is 84003468843582.

28534886430048 is a `hidden beast` number, since 2 + 8 + 53 + 488 + 64 + 3 + 0 + 0 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37178683 + ... + 37938426.

It is an arithmetic number, because the mean of its divisors is an integer number (1127883406650).

Almost surely, 228534886430048 is an apocalyptic number.

It is an amenable number.

28534886430048 is an abundant number, since it is smaller than the sum of its proper divisors (52672718848752).

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

28534886430048 is a wasteful number, since it uses less digits than its factorization.

28534886430048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75118444 (or 75118433 counting only the distinct ones).

The product of its (nonzero) digits is 141557760, while the sum is 63.

The spelling of 28534886430048 in words is "twenty-eight trillion, five hundred thirty-four billion, eight hundred eighty-six million, four hundred thirty thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1319 2638 3957 5276 7914 10552 11871 15828 21104 23742 31656 42208 47484 63312 94968 126624 189936 379872 75117109 150234218 225351327 300468436 450702654 600936872 676053981 901405308 1201873744 1352107962 1802810616 2403747488 2704215924 3605621232 5408431848 7211242464 10816863696 21633727392 99079466771 198158933542 297238400313 396317867084 594476800626 792635734168 891715200939 1188953601252 1585271468336 1783430401878 2377907202504 3170542936672 3566860803756 4755814405008 7133721607512 9511628810016 14267443215024 28534886430048