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20213211114144 = 253415235120359
BaseRepresentation
bin1001001100010010000010…
…10001001010101010100000
32122120100211102210022210000
410212021001101022222200
510122133124021123034
6110553453200140000
74154233133420436
oct446110121125240
978510742708700
1020213211114144
116493413797894
122325557607600
13b381366508c9
144dc478b40d56
15250bd305e599
hex12624144aaa0

20213211114144 has 120 divisors (see below), whose sum is σ = 59485536522720. Its totient is φ = 6733311732864.

The previous prime is 20213211114121. The next prime is 20213211114199. The reversal of 20213211114144 is 44141111231202.

20213211114144 is a `hidden beast` number, since 2 + 0 + 2 + 132 + 1 + 111 + 414 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1387437 + ... + 6507795.

It is an arithmetic number, because the mean of its divisors is an integer number (495712804356).

Almost surely, 220213211114144 is an apocalyptic number.

20213211114144 is a gapful number since it is divisible by the number (24) 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 20213211114144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29742768261360).

20213211114144 is an abundant number, since it is smaller than the sum of its proper divisors (39272325408576).

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

20213211114144 is a wasteful number, since it uses less digits than its factorization.

20213211114144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121904 (or 5121887 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 20213211114144 its reverse (44141111231202), we get a palindrome (64354322345346).

The spelling of 20213211114144 in words is "twenty trillion, two hundred thirteen billion, two hundred eleven million, one hundred fourteen thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 1523 2592 3046 4569 6092 9138 12184 13707 18276 24368 27414 36552 41121 48736 54828 73104 82242 109656 123363 146208 164484 219312 246726 328968 438624 493452 657936 986904 1315872 1973808 3947616 5120359 10240718 15361077 20481436 30722154 40962872 46083231 61444308 81925744 92166462 122888616 138249693 163851488 184332924 245777232 276499386 368665848 414749079 491554464 552998772 737331696 829498158 1105997544 1474663392 1658996316 2211995088 3317992632 4423990176 6635985264 7798306757 13271970528 15596613514 23394920271 31193227028 46789840542 62386454056 70184760813 93579681084 124772908112 140369521626 187159362168 210554282439 249545816224 280739043252 374318724336 421108564878 561478086504 631662847317 748637448672 842217129756 1122956173008 1263325694634 1684434259512 2245912346016 2526651389268 3368868519024 5053302778536 6737737038048 10106605557072 20213211114144