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20526302304672 = 253213815649007
BaseRepresentation
bin1001010101011001001101…
…11101010001100110100000
32200200021222022002201212120
410222230212331101212200
510142300331342222142
6111353353023024240
74215655622552253
oct452544675214640
980607868081776
1020526302304672
1165a417959330a
12237617513b080
13b5b8116cbca8
1450d69a78909a
15258e09b847ec
hex12ab26f519a0

20526302304672 has 24 divisors (see below), whose sum is σ = 53881543550016. Its totient is φ = 6842100768192.

The previous prime is 20526302304667. The next prime is 20526302304679. The reversal of 20526302304672 is 27640320362502.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (20526302304679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106907824408 + ... + 106907824599.

It is an arithmetic number, because the mean of its divisors is an integer number (2245064314584).

Almost surely, 220526302304672 is an apocalyptic number.

It is an amenable number.

20526302304672 is an abundant number, since it is smaller than the sum of its proper divisors (33355241245344).

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

20526302304672 is a wasteful number, since it uses less digits than its factorization.

20526302304672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213815649020 (or 213815649012 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 20526302304672 in words is "twenty trillion, five hundred twenty-six billion, three hundred two million, three hundred four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 213815649007 427631298014 641446947021 855262596028 1282893894042 1710525192056 2565787788084 3421050384112 5131575576168 6842100768224 10263151152336 20526302304672