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2102202212 = 2211237117389
BaseRepresentation
bin111110101001101…
…0000111101100100
312102111122221022012
41331103100331210
513301130432322
6544333253352
7103044265265
oct17523207544
95374587265
102102202212
11989702700
124a8034258
132766ac346
1415d2a096c
15c484eae2
hex7d4d0f64

2102202212 has 36 divisors (see below), whose sum is σ = 4153023420. Its totient is φ = 929712960.

The previous prime is 2102202209. The next prime is 2102202233. The reversal of 2102202212 is 2122022012.

It can be written as a sum of positive squares in 2 ways, for example, as 1519752256 + 582449956 = 38984^2 + 24134^2 .

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 11 ways as a sum of consecutive naturals, for example, 40787 + ... + 76602.

Almost surely, 22102202212 is an apocalyptic number.

2102202212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102202212 is a deficient number, since it is larger than the sum of its proper divisors (2050821208).

2102202212 is a wasteful number, since it uses less digits than its factorization.

2102202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117452 (or 117439 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2102202212 is about 45849.7787562819. The cubic root of 2102202212 is about 1281.0266446047.

Adding to 2102202212 its reverse (2122022012), we get a palindrome (4224224224).

The spelling of 2102202212 in words is "two billion, one hundred two million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 37 44 74 121 148 242 407 484 814 1628 4477 8954 17908 117389 234778 469556 1291279 2582558 4343393 5165116 8686786 14204069 17373572 28408138 47777323 56816276 95554646 191109292 525550553 1051101106 2102202212