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13885149600 = 253452724373
BaseRepresentation
bin11001110111001111…
…01001000110100000
31022211200100200110000
430323213221012200
5211414044241400
610213450540000
71001041552500
oct147347510640
938750320400
1013885149600
115985894453
122836137600
131403898b6a
1495a13ba00
15563ee8600
hex33b9e91a0

13885149600 has 540 divisors, whose sum is σ = 58917084534. Its totient is φ = 3173022720.

The previous prime is 13885149599. The next prime is 13885149647. The reversal of 13885149600 is 694158831.

13885149600 is a `hidden beast` number, since 1 + 38 + 8 + 5 + 1 + 4 + 9 + 600 = 666.

13885149600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 10727159184 + 3157990416 = 103572^2 + 56196^2 .

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 3173014 + ... + 3177386.

Almost surely, 213885149600 is an apocalyptic number.

13885149600 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 13885149600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29458542267).

13885149600 is an abundant number, since it is smaller than the sum of its proper divisors (45031934934).

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

13885149600 is a wasteful number, since it uses less digits than its factorization.

13885149600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 13885149600 in words is "thirteen billion, eight hundred eighty-five million, one hundred forty-nine thousand, six hundred".