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20210003023 = 74170418129
BaseRepresentation
bin10010110100100111…
…000010110001001111
31221011110200112020111
4102310213002301033
5312342230044043
613141230300451
71313552122420
oct226447026117
957143615214
1020210003023
118631024441
123b00357727
131ba1054c92
14d9a14d647
157d43ee09d
hex4b49c2c4f

20210003023 has 8 divisors (see below), whose sum is σ = 23660491680. Its totient is φ = 16900350720.

The previous prime is 20210002999. The next prime is 20210003027. The reversal of 20210003023 is 32030001202.

It is a happy number.

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 20210003023 - 25 = 20210002991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20210002994 and 20210003012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210003027) 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, 35208778 + ... + 35209351.

It is an arithmetic number, because the mean of its divisors is an integer number (2957561460).

Almost surely, 220210003023 is an apocalyptic number.

20210003023 is a deficient number, since it is larger than the sum of its proper divisors (3450488657).

20210003023 is an equidigital number, since it uses as much as digits as its factorization.

20210003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70418177.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20210003023 its reverse (32030001202), we get a palindrome (52240004225).

The spelling of 20210003023 in words is "twenty billion, two hundred ten million, three thousand, twenty-three".

Divisors: 1 7 41 287 70418129 492926903 2887143289 20210003023