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30444558663420 = 223251115376039729
BaseRepresentation
bin1101110110000011011010…
…00110101011111011111100
310222210110201122020202120100
412323001231012223323330
512442300424004212140
6144430012010121100
76261355354601016
oct673015506537374
9128713648222510
1030444558663420
11977851274a820
1234b8439120190
1313caba9406105
1477374b3371b6
1537bded4d4530
hex1bb06d1abefc

30444558663420 has 72 divisors (see below), whose sum is σ = 100743812310960. Its totient is φ = 7380499069440.

The previous prime is 30444558663397. The next prime is 30444558663487. The reversal of 30444558663420 is 2436685544403.

30444558663420 is a `hidden beast` number, since 3 + 0 + 4 + 4 + 4 + 5 + 586 + 6 + 34 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7688017885 + ... + 7688021844.

It is an arithmetic number, because the mean of its divisors is an integer number (1399219615430).

Almost surely, 230444558663420 is an apocalyptic number.

30444558663420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30444558663420 is an abundant number, since it is smaller than the sum of its proper divisors (70299253647540).

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

30444558663420 is a wasteful number, since it uses less digits than its factorization.

30444558663420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15376039755 (or 15376039750 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 54.

The spelling of 30444558663420 in words is "thirty trillion, four hundred forty-four billion, five hundred fifty-eight million, six hundred sixty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 15376039729 30752079458 46128119187 61504158916 76880198645 92256238374 138384357561 153760397290 169136437019 184512476748 230640595935 276768715122 307520794580 338272874038 461281191870 507409311057 553537430244 676545748076 691921787805 845682185095 922562383740 1014818622114 1383843575610 1522227933171 1691364370190 2029637244228 2537046555285 2767687151220 3044455866342 3382728740380 5074093110570 6088911732684 7611139665855 10148186221140 15222279331710 30444558663420