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20349272448896 = 27573312772997
BaseRepresentation
bin1001010000001111011110…
…01001111101111110000000
32200001101000210012021112112
410220013233021331332000
510131400302221331041
6111140154322514452
74200120640606616
oct450075711757600
980041023167475
1020349272448896
11653609487a486
1223479aa205a28
13b47c0b217841
14504ca52236b6
152544e80c3deb
hex1281ef27df80

20349272448896 has 32 divisors (see below), whose sum is σ = 40540287940680. Its totient is φ = 10174455083520.

The previous prime is 20349272448853. The next prime is 20349272448899. The reversal of 20349272448896 is 69884427294302.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20349272448899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5951870 + ... + 8724866.

Almost surely, 220349272448896 is an apocalyptic number.

It is an amenable number.

20349272448896 is a deficient number, since it is larger than the sum of its proper divisors (20191015491784).

20349272448896 is an equidigital number, since it uses as much as digits as its factorization.

20349272448896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830342 (or 2830330 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 68.

The spelling of 20349272448896 in words is "twenty trillion, three hundred forty-nine billion, two hundred seventy-two million, four hundred forty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 128 57331 114662 229324 458648 917296 1834592 2772997 3669184 5545994 7338368 11091988 22183976 44367952 88735904 177471808 354943616 158978691007 317957382014 635914764028 1271829528056 2543659056112 5087318112224 10174636224448 20349272448896