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12190436202 = 237619468899
BaseRepresentation
bin10110101101001101…
…10100101101101010
31011110120110022201010
423112212310231222
5144431222424302
65333351204350
7611042666220
oct132646645552
934416408633
1012190436202
11519620216a
1224426766b6
1311c3750979
14839030b10
154b533b16c
hex2d69b4b6a

12190436202 has 32 divisors (see below), whose sum is σ = 27908928000. Its totient is φ = 3477347568.

The previous prime is 12190436197. The next prime is 12190436227. The reversal of 12190436202 is 20263409121.

It is a self number, because there is not a number n which added to its sum of digits gives 12190436202.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 208452 + ... + 260447.

It is an arithmetic number, because the mean of its divisors is an integer number (872154000).

Almost surely, 212190436202 is an apocalyptic number.

12190436202 is an abundant number, since it is smaller than the sum of its proper divisors (15718491798).

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

12190436202 is a wasteful number, since it uses less digits than its factorization.

12190436202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469530.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 12190436202 in words is "twelve billion, one hundred ninety million, four hundred thirty-six thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 619 1238 1857 3714 4333 8666 12999 25998 468899 937798 1406697 2813394 3282293 6564586 9846879 19693758 290248481 580496962 870745443 1741490886 2031739367 4063478734 6095218101 12190436202