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20430112210 = 252043011221
BaseRepresentation
bin10011000001101110…
…101100010111010010
31221201210212020021121
4103001232230113102
5313320102042320
613215132112454
71322164042234
oct230156542722
957653766247
1020430112210
1187342a1762
123b6200572a
131c078302c1
14dbb488254
157e88cb8aa
hex4c1bac5d2

20430112210 has 8 divisors (see below), whose sum is σ = 36774201996. Its totient is φ = 8172044880.

The previous prime is 20430112103. The next prime is 20430112217. The reversal of 20430112210 is 1221103402.

It can be written as a sum of positive squares in 2 ways, for example, as 19089014569 + 1341097641 = 138163^2 + 36621^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20430112217) 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 3 ways as a sum of consecutive naturals, for example, 1021505601 + ... + 1021505620.

Almost surely, 220430112210 is an apocalyptic number.

20430112210 is a deficient number, since it is larger than the sum of its proper divisors (16344089786).

20430112210 is a wasteful number, since it uses less digits than its factorization.

20430112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043011228.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20430112210 its reverse (1221103402), we get a palindrome (21651215612).

The spelling of 20430112210 in words is "twenty billion, four hundred thirty million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 2043011221 4086022442 10215056105 20430112210