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20524224345312 = 2531735992063111
BaseRepresentation
bin1001010101010101010110…
…00110011111010011100000
32200200002121111001110111210
410222222223012133103200
510142232102413022222
6111352410513110120
74215553261313562
oct452525306372340
980602544043453
1020524224345312
1165a3302639726
122375895258340
13b5b57005a33c
1450d5407d9332
15258d37522d0c
hex12aaab19f4e0

20524224345312 has 96 divisors (see below), whose sum is σ = 54278000985600. Its totient is φ = 6790503749120.

The previous prime is 20524224345301. The next prime is 20524224345377. The reversal of 20524224345312 is 21354342242502.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8916637 + ... + 10979747.

It is an arithmetic number, because the mean of its divisors is an integer number (565395843600).

Almost surely, 220524224345312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20524224345312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27139000492800).

20524224345312 is an abundant number, since it is smaller than the sum of its proper divisors (33753776640288).

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

20524224345312 is a wasteful number, since it uses less digits than its factorization.

20524224345312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063896 (or 2063888 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 20524224345312 its reverse (21354342242502), we get a palindrome (41878566587814).

The spelling of 20524224345312 in words is "twenty trillion, five hundred twenty-four billion, two hundred twenty-four million, three hundred forty-five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 173 346 519 599 692 1038 1198 1384 1797 2076 2396 2768 3594 4152 4792 5536 7188 8304 9584 14376 16608 19168 28752 57504 103627 207254 310881 414508 621762 829016 1243524 1658032 2063111 2487048 3316064 4126222 4974096 6189333 8252444 9948192 12378666 16504888 24757332 33009776 49514664 66019552 99029328 198058656 356918203 713836406 1070754609 1235803489 1427672812 2141509218 2471606978 2855345624 3707410467 4283018436 4943213956 5710691248 7414820934 8566036872 9886427912 11421382496 14829641868 17132073744 19772855824 29659283736 34264147488 39545711648 59318567472 118637134944 213794003597 427588007194 641382010791 855176014388 1282764021582 1710352028776 2565528043164 3420704057552 5131056086328 6841408115104 10262112172656 20524224345312