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18282550832112 = 2437219793927839
BaseRepresentation
bin1000010100000101111001…
…11100101010101111110000
32101201210110101212010000110
410022002330330222233300
54344020131003111422
6102514515442021320
73564604436662500
oct412027474525760
971653411763013
1018282550832112
11590964a357446
122073345347840
13a280637bcb68
14472c4730ba00
1521a88771860c
hex10a0bcf2abf0

18282550832112 has 120 divisors (see below), whose sum is σ = 54968706777600. Its totient is φ = 5220945115008.

The previous prime is 18282550832099. The next prime is 18282550832137. The reversal of 18282550832112 is 21123805528281.

It is a super-2 number, since 2×182825508321122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2690689 + ... + 6618527.

It is an arithmetic number, because the mean of its divisors is an integer number (458072556480).

Almost surely, 218282550832112 is an apocalyptic number.

18282550832112 is a gapful number since it is divisible by the number (12) 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 18282550832112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27484353388800).

18282550832112 is an abundant number, since it is smaller than the sum of its proper divisors (36686155945488).

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

18282550832112 is a wasteful number, since it uses less digits than its factorization.

18282550832112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929843 (or 3929830 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 18282550832112 in words is "eighteen trillion, two hundred eighty-two billion, five hundred fifty million, eight hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 392 588 784 1176 1979 2352 3958 5937 7916 11874 13853 15832 23748 27706 31664 41559 47496 55412 83118 94992 96971 110824 166236 193942 221648 290913 332472 387884 581826 664944 775768 1163652 1551536 2327304 3927839 4654608 7855678 11783517 15711356 23567034 27494873 31422712 47134068 54989746 62845424 82484619 94268136 109979492 164969238 188536272 192464111 219958984 329938476 384928222 439917968 577392333 659876952 769856444 1154784666 1319753904 1539712888 2309569332 3079425776 4619138664 7773193381 9238277328 15546386762 23319580143 31092773524 46639160286 54412353667 62185547048 93278320572 108824707334 124371094096 163237061001 186556641144 217649414668 326474122002 373113282288 380886475669 435298829336 652948244004 761772951338 870597658672 1142659427007 1305896488008 1523545902676 2285318854014 2611792976016 3047091805352 4570637708028 6094183610704 9141275416056 18282550832112