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12346220164 = 2212729578219
BaseRepresentation
bin10110111111110010…
…00101111010000100
31011212102120222010111
423133321011322010
5200241113021124
65401034202404
7614644065655
oct133771057204
934772528114
1012346220164
115266134a43
122486883404
131219ac6425
148519c352c
154c3d5e494
hex2dfe45e84

12346220164 has 24 divisors (see below), whose sum is σ = 21786024960. Its totient is φ = 6121686816.

The previous prime is 12346220147. The next prime is 12346220213. The reversal of 12346220164 is 46102264321.

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 7 ways as a sum of consecutive naturals, for example, 1498047 + ... + 1506265.

It is an arithmetic number, because the mean of its divisors is an integer number (907751040).

Almost surely, 212346220164 is an apocalyptic number.

It is an amenable number.

12346220164 is a deficient number, since it is larger than the sum of its proper divisors (9439804796).

12346220164 is a wasteful number, since it uses less digits than its factorization.

12346220164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11307 (or 11305 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 12346220164 its reverse (46102264321), we get a palindrome (58448484485).

The spelling of 12346220164 in words is "twelve billion, three hundred forty-six million, two hundred twenty thousand, one hundred sixty-four".

Divisors: 1 2 4 127 254 508 2957 5914 8219 11828 16438 32876 375539 751078 1043813 1502156 2087626 4175252 24303583 48607166 97214332 3086555041 6173110082 12346220164