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20211024413 = 171962572831
BaseRepresentation
bin10010110100101010…
…111100001000011101
31221011112121102022202
4102310222330020131
5312343010240123
613141304221245
71313563605266
oct226452741035
957145542282
1020211024413
118631661868
123b0076a825
131ba1321b58
14d9a33796d
157d4551a28
hex4b4abc21d

20211024413 has 8 divisors (see below), whose sum is σ = 22526219520. Its totient is φ = 18020975040.

The previous prime is 20211024403. The next prime is 20211024443. The reversal of 20211024413 is 31442011202.

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 20211024413 - 24 = 20211024397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211024403) 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, 31286093 + ... + 31286738.

It is an arithmetic number, because the mean of its divisors is an integer number (2815777440).

Almost surely, 220211024413 is an apocalyptic number.

It is an amenable number.

20211024413 is a deficient number, since it is larger than the sum of its proper divisors (2315195107).

20211024413 is a wasteful number, since it uses less digits than its factorization.

20211024413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62572867.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20211024413 its reverse (31442011202), we get a palindrome (51653035615).

The spelling of 20211024413 in words is "twenty billion, two hundred eleven million, twenty-four thousand, four hundred thirteen".

Divisors: 1 17 19 323 62572831 1063738127 1188883789 20211024413