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2021020329 = 31935456497
BaseRepresentation
bin111100001110110…
…0101001010101001
312012211220110200210
41320131211022221
513114340122304
6532313251333
7101040250356
oct17035451251
95184813623
102021020329
119478a4539
12484a03b49
13262927023
141525ab62d
15bc665c89
hex787652a9

2021020329 has 8 divisors (see below), whose sum is σ = 2836519840. Its totient is φ = 1276433856.

The previous prime is 2021020273. The next prime is 2021020381. The reversal of 2021020329 is 9230201202.

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

It is not a de Polignac number, because 2021020329 - 211 = 2021018281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021020229) 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, 17728192 + ... + 17728305.

It is an arithmetic number, because the mean of its divisors is an integer number (354564980).

Almost surely, 22021020329 is an apocalyptic number.

It is an amenable number.

2021020329 is a deficient number, since it is larger than the sum of its proper divisors (815499511).

2021020329 is a wasteful number, since it uses less digits than its factorization.

2021020329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35456519.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2021020329 is about 44955.7596866075. The cubic root of 2021020329 is about 1264.3196681287.

The spelling of 2021020329 in words is "two billion, twenty-one million, twenty thousand, three hundred twenty-nine".

Divisors: 1 3 19 57 35456497 106369491 673673443 2021020329