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12154230000 = 2432541112277
BaseRepresentation
bin10110101000111001…
…01101010011110000
31011101001022212010200
423110130231103300
5144342440330000
65330015155200
7610123151613
oct132434552360
934331285120
1012154230000
115177822990
122432515b00
1311b90b4b93
148342c817a
154b2088500
hex2d472d4f0

12154230000 has 300 divisors, whose sum is σ = 46372974648. Its totient is φ = 2946240000.

The previous prime is 12154229981. The next prime is 12154230007. The reversal of 12154230000 is 3245121.

12154230000 is a `hidden beast` number, since 121 + 542 + 3 + 0 + 0 + 0 + 0 = 666.

12154230000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154230007) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 983862 + ... + 996138.

Almost surely, 212154230000 is an apocalyptic number.

12154230000 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 12154230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23186487324).

12154230000 is an abundant number, since it is smaller than the sum of its proper divisors (34218744648).

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

12154230000 is a wasteful number, since it uses less digits than its factorization.

12154230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12322 (or 12298 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12154230000 its reverse (3245121), we get a palindrome (12157475121).

The spelling of 12154230000 in words is "twelve billion, one hundred fifty-four million, two hundred thirty thousand".