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13801881600000 = 222345513
BaseRepresentation
bin1100100011011000000001…
…0000000000000000000000
31210212110001212012110020000
43020312000100000000000
53302112223142200000
645204255154120000
72623103330626614
oct310660020000000
953773055173200
1013801881600000
11444138839240a
12166aa92280000
137916866c5570
1435a02c225344
1518e042c50000
hexc8d80400000

13801881600000 has 1380 divisors, whose sum is σ = 55505432807748. Its totient is φ = 3397386240000.

The previous prime is 13801881599963. The next prime is 13801881600041. The reversal of 13801881600000 is 618810831.

13801881600000 is a `hidden beast` number, since 1 + 38 + 0 + 18 + 8 + 1 + 600 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 13051398979584 + 750482620416 = 3612672^2 + 866304^2 .

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 59 ways as a sum of consecutive naturals, for example, 1061683199994 + ... + 1061683200006.

Almost surely, 213801881600000 is an apocalyptic number.

13801881600000 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 13801881600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27752716403874).

13801881600000 is an abundant number, since it is smaller than the sum of its proper divisors (41703551207748).

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

13801881600000 is an frugal number, since it uses more digits than its factorization.

13801881600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 13801881600000 in words is "thirteen trillion, eight hundred one billion, eight hundred eighty-one million, six hundred thousand".