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20375781702688 = 25726787876107
BaseRepresentation
bin1001010001000000110110…
…01110101111110000100000
32200010220110021000220100001
410220200123032233300200
510132314100103441223
6111200301020105344
74202046602550046
oct450403316576040
980126407026301
1020375781702688
116546358637195
122350b68095254
13b4a574333329
1450629bbdc396
1525504a51c9ad
hex12881b3afc20

20375781702688 has 24 divisors (see below), whose sum is σ = 40114921209552. Its totient is φ = 10187865205056.

The previous prime is 20375781702631. The next prime is 20375781702707. The reversal of 20375781702688 is 88620718757302.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22819131 + ... + 23695237.

It is an arithmetic number, because the mean of its divisors is an integer number (1671455050398).

Almost surely, 220375781702688 is an apocalyptic number.

It is an amenable number.

20375781702688 is a deficient number, since it is larger than the sum of its proper divisors (19739139506864).

20375781702688 is an equidigital number, since it uses as much as digits as its factorization.

20375781702688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602904 (or 1602896 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 20375781702688 in words is "twenty trillion, three hundred seventy-five billion, seven hundred eighty-one million, seven hundred two thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 32 726787 876107 1453574 1752214 2907148 3504428 5814296 7008856 11628592 14017712 23257184 28035424 636743178209 1273486356418 2546972712836 5093945425672 10187890851344 20375781702688