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2030304021 = 3827818341
BaseRepresentation
bin111100100000011…
…1111101100010101
312020111101010112020
41321000333230111
513124224212041
6533244243353
7101212204464
oct17100775425
95214333466
102030304021
11952065509
12487b40559
13264827835
141539069db
15bd39b866
hex7903fb15

2030304021 has 8 divisors (see below), whose sum is σ = 2710348704. Its totient is φ = 1351897680.

The previous prime is 2030304013. The next prime is 2030304043. The reversal of 2030304021 is 1204030302.

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

It is not a de Polignac number, because 2030304021 - 23 = 2030304013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030304011) 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, 406690 + ... + 411651.

It is an arithmetic number, because the mean of its divisors is an integer number (338793588).

Almost surely, 22030304021 is an apocalyptic number.

It is an amenable number.

2030304021 is a deficient number, since it is larger than the sum of its proper divisors (680044683).

2030304021 is an equidigital number, since it uses as much as digits as its factorization.

2030304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819171.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2030304021 is about 45058.8950263985. The cubic root of 2030304021 is about 1266.2526237307.

Adding to 2030304021 its reverse (1204030302), we get a palindrome (3234334323).

The spelling of 2030304021 in words is "two billion, thirty million, three hundred four thousand, twenty-one".

Divisors: 1 3 827 2481 818341 2455023 676768007 2030304021