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12203934720 = 21035978191
BaseRepresentation
bin10110101110110100…
…10100010000000000
31011111111212010012020
423113122110100000
5144443201402340
65334552401440
7611265506415
oct132732242000
934444763166
1012203934720
1151a289186a
1224470a6280
1311c6498a63
1483ab4610c
154b66059d0
hex2d7694400

12203934720 has 176 divisors, whose sum is σ = 39440744448. Its totient is φ = 3220439040.

The previous prime is 12203934713. The next prime is 12203934749. The reversal of 12203934720 is 2743930221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485825 + ... + 1494015.

Almost surely, 212203934720 is an apocalyptic number.

12203934720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203934720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19720372224).

12203934720 is an abundant number, since it is smaller than the sum of its proper divisors (27236809728).

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

12203934720 is an equidigital number, since it uses as much as digits as its factorization.

12203934720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8298 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 12203934720 in words is "twelve billion, two hundred three million, nine hundred thirty-four thousand, seven hundred twenty".