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13120443830000 = 2454133714918307
BaseRepresentation
bin1011111011101101011101…
…1001001100111011110000
31201110022011021211001002002
42332323113121030323300
53204431132110030000
643523240525513132
72522630554304663
oct276732731147360
951408137731062
1013120443830000
1141a9392546971
12157a9b61127a8
13742338abbc90
143350662a16da
1517b45d5ac8d5
hexbeed764cef0

13120443830000 has 400 divisors, whose sum is σ = 35371748042400. Its totient is φ = 4681649664000.

The previous prime is 13120443829981. The next prime is 13120443830033. The reversal of 13120443830000 is 3834402131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 716680847 + ... + 716699153.

It is an arithmetic number, because the mean of its divisors is an integer number (88429370106).

Almost surely, 213120443830000 is an apocalyptic number.

13120443830000 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 13120443830000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17685874021200).

13120443830000 is an abundant number, since it is smaller than the sum of its proper divisors (22251304212400).

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

13120443830000 is a wasteful number, since it uses less digits than its factorization.

13120443830000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18534 (or 18513 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 13120443830000 in words is "thirteen trillion, one hundred twenty billion, four hundred forty-three million, eight hundred thirty thousand".