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20234201321 = 711151247601
BaseRepresentation
bin10010110110000011…
…010110100011101001
31221020011012221001202
4102312003112203221
5312414423420241
613143453053545
71314264605405
oct226603264351
957204187052
1020234201321
118643751a34
123b084872b5
131ba60782b9
14d9d44c105
157d65cdd9b
hex4b60d68e9

20234201321 has 8 divisors (see below), whose sum is σ = 20537100288. Its totient is φ = 19931800000.

The previous prime is 20234201311. The next prime is 20234201347. The reversal of 20234201321 is 12310243202.

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

It is a cyclic number.

It is not a de Polignac number, because 20234201321 - 26 = 20234201257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20234201293 and 20234201302.

It is not an unprimeable number, because it can be changed into a prime (20234201311) 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 7 ways as a sum of consecutive naturals, for example, 42080 + ... + 205521.

It is an arithmetic number, because the mean of its divisors is an integer number (2567137536).

Almost surely, 220234201321 is an apocalyptic number.

It is an amenable number.

20234201321 is a deficient number, since it is larger than the sum of its proper divisors (302898967).

20234201321 is a wasteful number, since it uses less digits than its factorization.

20234201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248823.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20234201321 its reverse (12310243202), we get a palindrome (32544444523).

The spelling of 20234201321 in words is "twenty billion, two hundred thirty-four million, two hundred one thousand, three hundred twenty-one".

Divisors: 1 71 1151 81721 247601 17579671 284988751 20234201321