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13168141920000 = 28335419715473
BaseRepresentation
bin1011111110011111001001…
…1010111110011100000000
31201121212021110012001211000
42333213302122332130000
53211221323312420000
644001205541252000
72526236555342604
oct277476232763400
951555243161730
1013168141920000
114217639903961
1215880a8104000
1374699a998382
143374acdc7504
1517c800d05000
hexbf9f26be700

13168141920000 has 720 divisors, whose sum is σ = 48910230341280. Its totient is φ = 3493453824000.

The previous prime is 13168141919939. The next prime is 13168141920029. The reversal of 13168141920000 is 2914186131.

13168141920000 is a `hidden beast` number, since 1 + 31 + 6 + 8 + 1 + 419 + 200 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×131681419200002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 851032264 + ... + 851047736.

It is an arithmetic number, because the mean of its divisors is an integer number (67930875474).

Almost surely, 213168141920000 is an apocalyptic number.

13168141920000 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 13168141920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24455115170640).

13168141920000 is an abundant number, since it is smaller than the sum of its proper divisors (35742088421280).

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

13168141920000 is an equidigital number, since it uses as much as digits as its factorization.

13168141920000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715 (or 15680 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 13168141920000 in words is "thirteen trillion, one hundred sixty-eight billion, one hundred forty-one million, nine hundred twenty thousand".