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12220710172 = 2211277743413
BaseRepresentation
bin10110110000110100…
…10011110100011100
31011112200102101210021
423120122103310130
5200012000211142
65340352121524
7611561215426
oct133032236434
934480371707
1012220710172
1152012aa480
1224508362a4
1311c9ac0568
1483d071816
154b7d1b267
hex2d8693d1c

12220710172 has 12 divisors (see below), whose sum is σ = 23330446776. Its totient is φ = 5554868240.

The previous prime is 12220710169. The next prime is 12220710211. The reversal of 12220710172 is 27101702221.

12220710172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×122207101723 (a number of 31 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 138871663 + ... + 138871750.

It is an arithmetic number, because the mean of its divisors is an integer number (1944203898).

Almost surely, 212220710172 is an apocalyptic number.

It is an amenable number.

12220710172 is a deficient number, since it is larger than the sum of its proper divisors (11109736604).

12220710172 is a wasteful number, since it uses less digits than its factorization.

12220710172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277743428 (or 277743426 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The spelling of 12220710172 in words is "twelve billion, two hundred twenty million, seven hundred ten thousand, one hundred seventy-two".

Divisors: 1 2 4 11 22 44 277743413 555486826 1110973652 3055177543 6110355086 12220710172