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20232313421 = 35999756527
BaseRepresentation
bin10010110101111100…
…001001101001001101
31221020000200000100112
4102311330021221031
5312413433012141
613143344405405
71314242553335
oct226574115115
957200600315
1020232313421
118642682591
123b07916865
131ba5866bb8
14d9d0ba0c5
157d63597eb
hex4b5f09a4d

20232313421 has 8 divisors (see below), whose sum is σ = 20309379840. Its totient is φ = 20155362768.

The previous prime is 20232313417. The next prime is 20232313433. The reversal of 20232313421 is 12431323202.

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 20232313421 - 22 = 20232313417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232313441) 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, 329660 + ... + 386186.

It is an arithmetic number, because the mean of its divisors is an integer number (2538672480).

Almost surely, 220232313421 is an apocalyptic number.

It is an amenable number.

20232313421 is a deficient number, since it is larger than the sum of its proper divisors (77066419).

20232313421 is an equidigital number, since it uses as much as digits as its factorization.

20232313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57883.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20232313421 its reverse (12431323202), we get a palindrome (32663636623).

The spelling of 20232313421 in words is "twenty billion, two hundred thirty-two million, three hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 359 997 56527 357923 20293193 56357419 20232313421