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447213312000 = 211355371379
BaseRepresentation
bin1101000000111111111…
…11011001100000000000
31120202100001202010100000
412200133333121200000
524311343101441000
6541240313200000
744211235300650
oct6403777314000
91522301663300
10447213312000
1116273128a514
127280aa00000
1333230c62050
1417906776360
15b9767d3000
hex681ffd9800

447213312000 has 2304 divisors, whose sum is σ = 2083473100800. Its totient is φ = 93162700800.

The previous prime is 447213311971. The next prime is 447213312059. The reversal of 447213312000 is 213312744.

It is a happy number.

447213312000 is a `hidden beast` number, since 447 + 2 + 13 + 3 + 1 + 200 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5660927961 + ... + 5660928039.

It is an arithmetic number, because the mean of its divisors is an integer number (904285200).

Almost surely, 2447213312000 is an apocalyptic number.

447213312000 is a gapful number since it is divisible by the number (40) 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 447213312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041736550400).

447213312000 is an abundant number, since it is smaller than the sum of its proper divisors (1636259788800).

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

447213312000 is an equidigital number, since it uses as much as digits as its factorization.

447213312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 447213312000 its reverse (213312744), we get a palindrome (447426624744).

The spelling of 447213312000 in words is "four hundred forty-seven billion, two hundred thirteen million, three hundred twelve thousand".