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20395407711095 = 537327133703897
BaseRepresentation
bin1001010001100101011010…
…00010000001101101110111
32200012210010000211102120022
410220302231002001231313
510133124243333223340
6111213304305355355
74203343134064334
oct450625502015567
980183100742508
1020395407711095
116553709a4484a
122354924938b5b
13b4c3813a4861
1450720056d98b
152557e85113b5
hex128cad081b77

20395407711095 has 16 divisors (see below), whose sum is σ = 25143647170368. Its totient is φ = 15870490548480.

The previous prime is 20395407711061. The next prime is 20395407711097. The reversal of 20395407711095 is 59011770459302.

It is not a de Polignac number, because 20395407711095 - 222 = 20395403516791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20395407711097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16246814 + ... + 17457083.

It is an arithmetic number, because the mean of its divisors is an integer number (1571477948148).

Almost surely, 220395407711095 is an apocalyptic number.

20395407711095 is a deficient number, since it is larger than the sum of its proper divisors (4748239459273).

20395407711095 is a wasteful number, since it uses less digits than its factorization.

20395407711095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33707210.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 20395407711095 in words is "twenty trillion, three hundred ninety-five billion, four hundred seven million, seven hundred eleven thousand, ninety-five".

Divisors: 1 5 37 185 3271 16355 121027 605135 33703897 168519485 1247044189 6235220945 110245447087 551227235435 4079081542219 20395407711095