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12112726080 = 2635713612273
BaseRepresentation
bin10110100011111100…
…11000100001000000
31011021011020020110110
423101332120201000
5144301324213310
65321533431320
7606110321130
oct132176304100
934234206413
1012112726080
115156355424
12242063b540
1311b0612950
1482c9a2ac0
154ad5dad20
hex2d1f98840

12112726080 has 448 divisors, whose sum is σ = 48129919488. Its totient is φ = 2512650240.

The previous prime is 12112726051. The next prime is 12112726091. The reversal of 12112726080 is 8062721121.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×121127260802 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5327824 + ... + 5330096.

It is an arithmetic number, because the mean of its divisors is an integer number (107432856).

Almost surely, 212112726080 is an apocalyptic number.

12112726080 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 12112726080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24064959744).

12112726080 is an abundant number, since it is smaller than the sum of its proper divisors (36017193408).

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

12112726080 is a wasteful number, since it uses less digits than its factorization.

12112726080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 12112726080 in words is "twelve billion, one hundred twelve million, seven hundred twenty-six thousand, eighty".