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20430650067 = 324412789929
BaseRepresentation
bin10011000001110000…
…101111101011010011
31221201211212120002020
4103001300233223103
5313320221300232
613215151422523
71322201442312
oct230160575323
957654776066
1020430650067
118734629873
123b62224a43
131c0798b069
14dbb588279
157e8985e2c
hex4c1c2fad3

20430650067 has 8 divisors (see below), whose sum is σ = 27252036240. Its totient is φ = 13614848640.

The previous prime is 20430650063. The next prime is 20430650077. The reversal of 20430650067 is 76005603402.

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

It is not a de Polignac number, because 20430650067 - 22 = 20430650063 is a prime.

It is a super-2 number, since 2×204306500672 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20430650063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387642 + ... + 1402287.

It is an arithmetic number, because the mean of its divisors is an integer number (3406504530).

Almost surely, 220430650067 is an apocalyptic number.

20430650067 is a deficient number, since it is larger than the sum of its proper divisors (6821386173).

20430650067 is a wasteful number, since it uses less digits than its factorization.

20430650067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792373.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20430650067 in words is "twenty billion, four hundred thirty million, six hundred fifty thousand, sixty-seven".

Divisors: 1 3 2441 7323 2789929 8369787 6810216689 20430650067