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20432110311 = 322718377249
BaseRepresentation
bin10011000001110110…
…010100001011100111
31221201221121202011100
4103001312110023213
5313321110012221
613215243011143
71322220033504
oct230166241347
957657552140
1020432110311
118735436988
123b62809ab3
131c0807c902
14dbb8484ab
157e8b73926
hex4c1d942e7

20432110311 has 12 divisors (see below), whose sum is σ = 29621956000. Its totient is φ = 13571141760.

The previous prime is 20432110301. The next prime is 20432110333. The reversal of 20432110311 is 11301123402.

20432110311 is a `hidden beast` number, since 20 + 4 + 321 + 10 + 311 = 666.

It is not a de Polignac number, because 20432110311 - 29 = 20432109799 is a prime.

It is a super-2 number, since 2×204321103112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432110301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4186186 + ... + 4191063.

Almost surely, 220432110311 is an apocalyptic number.

20432110311 is a deficient number, since it is larger than the sum of its proper divisors (9189845689).

20432110311 is a wasteful number, since it uses less digits than its factorization.

20432110311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377526 (or 8377523 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20432110311 its reverse (11301123402), we get a palindrome (31733233713).

The spelling of 20432110311 in words is "twenty billion, four hundred thirty-two million, one hundred ten thousand, three hundred eleven".

Divisors: 1 3 9 271 813 2439 8377249 25131747 75395241 2270234479 6810703437 20432110311