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2021210014 = 253181110529
BaseRepresentation
bin111100001111001…
…0011011110011110
312012212021002220011
41320132103132132
513114412210024
6532321313434
7101042000365
oct17036233636
95185232804
102021210014
11947a13aaa
12484a9587a
13262992475
1415261a7dc
15bc6a2094
hex7879379e

2021210014 has 16 divisors (see below), whose sum is σ = 3091018320. Its totient is φ = 990895360.

The previous prime is 2021210011. The next prime is 2021210017. The reversal of 2021210014 is 4100121202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2021210011) and next prime (2021210017).

It is a junction number, because it is equal to n+sod(n) for n = 2021209976 and 2021210003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021210011) 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, 186702 + ... + 197230.

It is an arithmetic number, because the mean of its divisors is an integer number (193188645).

Almost surely, 22021210014 is an apocalyptic number.

2021210014 is a deficient number, since it is larger than the sum of its proper divisors (1069808306).

2021210014 is a wasteful number, since it uses less digits than its factorization.

2021210014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2021210014 is about 44957.8693222888. The cubic root of 2021210014 is about 1264.3592215777.

Adding to 2021210014 its reverse (4100121202), we get a palindrome (6121331216).

The spelling of 2021210014 in words is "two billion, twenty-one million, two hundred ten thousand, fourteen".

Divisors: 1 2 53 106 1811 3622 10529 21058 95983 191966 558037 1116074 19068019 38136038 1010605007 2021210014