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2005520212 = 2253591091471
BaseRepresentation
bin111011110001001…
…1100111101010100
312011202201222112101
41313202130331110
513101403121322
6531001131444
7100461432463
oct16742347524
95152658471
102005520212
1193a078023
1247b789b84
1325c65ab67
141504d49da
15bb103327
hex7789cf54

2005520212 has 48 divisors (see below), whose sum is σ = 3672345600. Its totient is φ = 957640320.

The previous prime is 2005520197. The next prime is 2005520227. The reversal of 2005520212 is 2120255002.

It is an interprime number because it is at equal distance from previous prime (2005520197) and next prime (2005520227).

It is a super-2 number, since 2×20055202122 = 8044222641481049888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2005520212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1362637 + ... + 1364107.

It is an arithmetic number, because the mean of its divisors is an integer number (76507200).

Almost surely, 22005520212 is an apocalyptic number.

It is an amenable number.

2005520212 is a deficient number, since it is larger than the sum of its proper divisors (1666825388).

2005520212 is a wasteful number, since it uses less digits than its factorization.

2005520212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2005520212 is about 44783.0348681284. The cubic root of 2005520212 is about 1261.0791569312.

Adding to 2005520212 its reverse (2120255002), we get a palindrome (4125775214).

The spelling of 2005520212 in words is "two billion, five million, five hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 53 59 106 109 118 212 218 236 436 1471 2942 3127 5777 5884 6254 6431 11554 12508 12862 23108 25724 77963 86789 155926 160339 173578 311852 320678 340843 347156 641356 681686 1363372 4599817 8497967 9199634 9460001 16995934 18399268 18920002 33991868 37840004 501380053 1002760106 2005520212