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84212000021248 = 281110322818817
BaseRepresentation
bin10011001001011100100010…
…010110001101101100000000
3102001011120220001222122112221
4103021130202112031230000
542014212134001134443
6455034243030500424
723511054602433241
oct2311344226155400
9361146801878487
1084212000021248
1124918121678540
129540a24504714
1337cb20811b1b8
1416b1c4d9dacc8
159b08325deeed
hex4c972258db00

84212000021248 has 108 divisors (see below), whose sum is σ = 185174119038888. Its totient is φ = 37906535546880.

The previous prime is 84212000021159. The next prime is 84212000021249.

84212000021248 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (84212000021249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28465536 + ... + 31284352.

It is an arithmetic number, because the mean of its divisors is an integer number (1714575176286).

Almost surely, 284212000021248 is an apocalyptic number.

84212000021248 is a gapful number since it is divisible by the number (88) 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 84212000021248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92587059519444).

84212000021248 is an abundant number, since it is smaller than the sum of its proper divisors (100962119017640).

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

84212000021248 is a wasteful number, since it uses less digits than its factorization.

84212000021248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819050 (or 2818933 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

It can be divided in two parts, 842120000 and 21248, that added together give a palindrome (842141248).

The spelling of 84212000021248 in words is "eighty-four trillion, two hundred twelve billion, twenty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 103 128 176 206 256 352 412 704 824 1133 1408 1648 2266 2816 3296 4532 6592 9064 10609 13184 18128 21218 26368 36256 42436 72512 84872 116699 145024 169744 233398 290048 339488 466796 678976 933592 1357952 1867184 2715904 2818817 3734368 5637634 7468736 11275268 14937472 22550536 29874944 31006987 45101072 62013974 90202144 124027948 180404288 248055896 290338151 360808576 496111792 580676302 721617152 992223584 1161352604 1984447168 2322705208 3193719661 3968894336 4645410416 6387439322 7937788672 9290820832 12774878644 18581641664 25549757288 29904829553 37163283328 51099514576 59809659106 74326566656 102199029152 119619318212 204398058304 239238636424 328953125083 408796116608 478477272848 657906250166 817592233216 956954545696 1315812500332 1913909091392 2631625000664 3827818182784 5263250001328 7655636365568 10526500002656 21053000005312 42106000010624 84212000021248