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13162464125440 = 295719186120773
BaseRepresentation
bin1011111110001001111111…
…1111111010001000000000
31201121022121202102012220121
42333202133333322020000
53211123211304003230
643554430314350024
72525646063026650
oct277423777721000
951538552365817
1013162464125440
114215195943863
121586b8272b314
137462a45a3616
143370d0ccc360
1517c5bc61577a
hexbf89fffa200

13162464125440 has 320 divisors, whose sum is σ = 37988021111040. Its totient is φ = 4272823664640.

The previous prime is 13162464125431. The next prime is 13162464125477. The reversal of 13162464125440 is 4452146426131.

It is a tau number, because it is divible by the number of its divisors (320).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633622894 + ... + 633643666.

It is an arithmetic number, because the mean of its divisors is an integer number (118712565972).

Almost surely, 213162464125440 is an apocalyptic number.

13162464125440 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 13162464125440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18994010555520).

13162464125440 is an abundant number, since it is smaller than the sum of its proper divisors (24825556985600).

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

13162464125440 is a wasteful number, since it uses less digits than its factorization.

13162464125440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22683 (or 22667 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 13162464125440 in words is "thirteen trillion, one hundred sixty-two billion, four hundred sixty-four million, one hundred twenty-five thousand, four hundred forty".