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32111011320021 = 3243971984140897
BaseRepresentation
bin1110100110100011011010…
…11011000101000011010101
311012200210010120220222002100
413103101231123011003111
513202101322344220041
6152143332302032313
76522641536503504
oct723215533050325
9135623116828070
1032111011320021
11a260226837717
1237273b4878699
1314bc09487201a
147d027747683b
153aa433a696b6
hex1d346d6c50d5

32111011320021 has 24 divisors (see below), whose sum is σ = 46396593284184. Its totient is φ = 21400870256640.

The previous prime is 32111011319993. The next prime is 32111011320053. The reversal of 32111011320021 is 12002311011123.

32111011320021 is a `hidden beast` number, since 321 + 1 + 1 + 0 + 1 + 1 + 320 + 0 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1945706952996 + 30165304367025 = 1394886^2 + 5492295^2 .

It is not a de Polignac number, because 32111011320021 - 213 = 32111011311829 is a prime.

It is a super-2 number, since 2×321110113200212 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32111011319976 and 32111011320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32111011320721) 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 23 ways as a sum of consecutive naturals, for example, 785147445 + ... + 785188341.

It is an arithmetic number, because the mean of its divisors is an integer number (1933191386841).

Almost surely, 232111011320021 is an apocalyptic number.

It is an amenable number.

32111011320021 is a deficient number, since it is larger than the sum of its proper divisors (14285581964163).

32111011320021 is a wasteful number, since it uses less digits than its factorization.

32111011320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65141 (or 65138 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 32111011320021 its reverse (12002311011123), we get a palindrome (44113322331144).

The spelling of 32111011320021 in words is "thirty-two trillion, one hundred eleven billion, eleven million, three hundred twenty thousand, twenty-one".

Divisors: 1 3 9 4397 13191 19841 39573 40897 59523 122691 178569 368073 87240877 179824109 261722631 539472327 785167893 811437377 1618416981 2434312131 7302936393 3567890146669 10703670440007 32111011320021