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20535030711045 = 3251924017579779
BaseRepresentation
bin1001010101101001011110…
…01101100000001100000101
32200201010111121010201110200
410222310233031200030011
510142421220330223140
6111401355103041113
74216415130024204
oct452645715401405
980633447121420
1020535030711045
1165a79485421a4
1223779b02a0199
13b5c5a2b18ca6
1450dc87aa323b
1525926b0b4030
hex12ad2f360305

20535030711045 has 24 divisors (see below), whose sum is σ = 37467424456800. Its totient is φ = 10375594464096.

The previous prime is 20535030711043. The next prime is 20535030711049. The reversal of 20535030711045 is 54011703053502.

20535030711045 is a `hidden beast` number, since 2 + 0 + 535 + 0 + 3 + 0 + 7 + 110 + 4 + 5 = 666.

It is not a de Polignac number, because 20535030711045 - 21 = 20535030711043 is a prime.

It is a super-2 number, since 2×205350307110452 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535030711043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12008789035 + ... + 12008790744.

It is an arithmetic number, because the mean of its divisors is an integer number (1561142685700).

Almost surely, 220535030711045 is an apocalyptic number.

It is an amenable number.

20535030711045 is a deficient number, since it is larger than the sum of its proper divisors (16932393745755).

20535030711045 is a wasteful number, since it uses less digits than its factorization.

20535030711045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24017579809 (or 24017579806 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

Adding to 20535030711045 its reverse (54011703053502), we get a palindrome (74546733764547).

The spelling of 20535030711045 in words is "twenty trillion, five hundred thirty-five billion, thirty million, seven hundred eleven thousand, forty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 24017579779 72052739337 120087898895 216158218011 360263696685 456334015801 1080791090055 1369002047403 2281670079005 4107006142209 6845010237015 20535030711045