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20471130334 = 229352950523
BaseRepresentation
bin10011000100001011…
…001010100011011110
31221211200001011120101
4103010023022203132
5313411102132314
613223155211314
71323202510504
oct230413124336
957750034511
1020471130334
118755468236
123b738a6b3a
131c13192395
14dc2ac4674
157ec2d0174
hex4c42ca8de

20471130334 has 8 divisors (see below), whose sum is σ = 31765547160. Its totient is φ = 9882614616.

The previous prime is 20471130331. The next prime is 20471130377. The reversal of 20471130334 is 43303117402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204711303342 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20471130331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176475204 + ... + 176475319.

It is an arithmetic number, because the mean of its divisors is an integer number (3970693395).

Almost surely, 220471130334 is an apocalyptic number.

20471130334 is a deficient number, since it is larger than the sum of its proper divisors (11294416826).

20471130334 is a wasteful number, since it uses less digits than its factorization.

20471130334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352950554.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 20471130334 its reverse (43303117402), we get a palindrome (63774247736).

The spelling of 20471130334 in words is "twenty billion, four hundred seventy-one million, one hundred thirty thousand, three hundred thirty-four".

Divisors: 1 2 29 58 352950523 705901046 10235565167 20471130334