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12270268416 = 21237294919
BaseRepresentation
bin10110110110101110…
…10111000000000000
31011200010200012220210
423123113113000000
5200112142042131
65345322234120
7613032363210
oct133327270000
934603605823
1012270268416
1152272792aa
122465355940
131207152873
14845892240
154bc35a146
hex2db5d7000

12270268416 has 208 divisors, whose sum is σ = 38687731200. Its totient is φ = 3384213504.

The previous prime is 12270268391. The next prime is 12270268421. The reversal of 12270268416 is 61486207221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2492005 + ... + 2496923.

Almost surely, 212270268416 is an apocalyptic number.

12270268416 is a gapful number since it is divisible by the number (16) 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 12270268416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19343865600).

12270268416 is an abundant number, since it is smaller than the sum of its proper divisors (26417462784).

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

12270268416 is an equidigital number, since it uses as much as digits as its factorization.

12270268416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982 (or 4960 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 12270268416 in words is "twelve billion, two hundred seventy million, two hundred sixty-eight thousand, four hundred sixteen".