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18952984614984 = 2337376914412539
BaseRepresentation
bin1000100111100110101011…
…11010100101100001001000
32111002212222002022001121120
410103303111322211201020
54441011203030134414
6104150514140435240
73664210425054330
oct423632572454110
974085862261546
1018952984614984
116047a08791552
122161270248b20
13a76349704064
14497487a440c0
1522d025cd02a9
hex113cd5ea5848

18952984614984 has 128 divisors (see below), whose sum is σ = 55695432883200. Its totient is φ = 5261157308160.

The previous prime is 18952984614961. The next prime is 18952984615001. The reversal of 18952984614984 is 48941648925981.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2088987 + ... + 6501525.

It is an arithmetic number, because the mean of its divisors is an integer number (435120569400).

Almost surely, 218952984614984 is an apocalyptic number.

18952984614984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18952984614984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27847716441600).

18952984614984 is an abundant number, since it is smaller than the sum of its proper divisors (36742448268216).

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

18952984614984 is a wasteful number, since it uses less digits than its factorization.

18952984614984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413283 (or 4413279 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 78.

The spelling of 18952984614984 in words is "eighteen trillion, nine hundred fifty-two billion, nine hundred eighty-four million, six hundred fourteen thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 37 42 56 74 84 111 148 168 222 259 296 444 518 691 777 888 1036 1382 1554 2072 2073 2764 3108 4146 4837 5528 6216 8292 9674 14511 16584 19348 25567 29022 38696 51134 58044 76701 102268 116088 153402 178969 204536 306804 357938 536907 613608 715876 1073814 1431752 2147628 4295256 4412539 8825078 13237617 17650156 26475234 30887773 35300312 52950468 61775546 92663319 105900936 123551092 163263943 185326638 247102184 326527886 370653276 489791829 653055772 741306552 979583658 1142847601 1306111544 1959167316 2285695202 3049064449 3428542803 3918334632 4571390404 6098128898 6857085606 9142780808 9147193347 12196257796 13714171212 18294386694 21343451143 24392515592 27428342424 36588773388 42686902286 64030353429 73177546776 85373804572 112815384613 128060706858 170747609144 225630769226 256121413716 338446153839 451261538452 512242827432 676892307678 789707692291 902523076904 1353784615356 1579415384582 2369123076873 2707569230712 3158830769164 4738246153746 6317661538328 9476492307492 18952984614984