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2021030323 = 13198182309
BaseRepresentation
bin111100001110110…
…0111100110110011
312012211220222101221
41320131213212303
513114340432243
6532313405511
7101040321454
oct17035474663
95184828357
102021030323
11947900aa4
12484a09897
1326292b740
141525b112b
15bc668bed
hex787679b3

2021030323 has 8 divisors (see below), whose sum is σ = 2291046800. Its totient is φ = 1767378528.

The previous prime is 2021030311. The next prime is 2021030327. The reversal of 2021030323 is 3230301202.

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 2021030323 - 221 = 2018933171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021030297 and 2021030306.

It is not an unprimeable number, because it can be changed into a prime (2021030327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4090908 + ... + 4091401.

It is an arithmetic number, because the mean of its divisors is an integer number (286380850).

Almost surely, 22021030323 is an apocalyptic number.

2021030323 is a deficient number, since it is larger than the sum of its proper divisors (270016477).

2021030323 is a wasteful number, since it uses less digits than its factorization.

2021030323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182341.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2021030323 is about 44955.8708401917. The cubic root of 2021030323 is about 1264.3217521569.

Adding to 2021030323 its reverse (3230301202), we get a palindrome (5251331525).

The spelling of 2021030323 in words is "two billion, twenty-one million, thirty thousand, three hundred twenty-three".

Divisors: 1 13 19 247 8182309 106370017 155463871 2021030323