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2021022030 = 23567367401
BaseRepresentation
bin111100001110110…
…0101100101001110
312012211220120000210
41320131211211032
513114340201110
6532313303250
7101040255336
oct17035454516
95184816023
102021022030
119478a5845
12484a04b26
13262927a31
141525ac0c6
15bc666520
hex7876594e

2021022030 has 16 divisors (see below), whose sum is σ = 4850452944. Its totient is φ = 538939200.

The previous prime is 2021022013. The next prime is 2021022071. The reversal of 2021022030 is 302201202.

It is a junction number, because it is equal to n+sod(n) for n = 2021021997 and 2021022015.

It is a congruent number.

It is an unprimeable number.

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, 33683671 + ... + 33683730.

It is an arithmetic number, because the mean of its divisors is an integer number (303153309).

Almost surely, 22021022030 is an apocalyptic number.

2021022030 is an abundant number, since it is smaller than the sum of its proper divisors (2829430914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021022030 is a wasteful number, since it uses less digits than its factorization.

2021022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67367411.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2021022030 is about 44955.7786052027. The cubic root of 2021022030 is about 1264.3200228352.

Adding to 2021022030 its reverse (302201202), we get a palindrome (2323223232).

The spelling of 2021022030 in words is "two billion, twenty-one million, twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 67367401 134734802 202102203 336837005 404204406 673674010 1010511015 2021022030