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451225412000 = 25531112780749
BaseRepresentation
bin1101001000011110010…
…00010110000110100000
31121010200200012220212022
412210033020112012200
524343102201141000
6543142354321012
744412533501336
oct6441710260640
91533620186768
10451225412000
111643aaa88640
127354a589168
133372022c10c
1417ba7559b56
15bb0db48585
hex690f2161a0

451225412000 has 192 divisors, whose sum is σ = 1218986496000. Its totient is φ = 162787968000.

The previous prime is 451225411997. The next prime is 451225412009. The reversal of 451225412000 is 214522154.

It is not an unprimeable number, because it can be changed into a prime (451225412009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5547626 + ... + 5628374.

It is an arithmetic number, because the mean of its divisors is an integer number (6348888000).

Almost surely, 2451225412000 is an apocalyptic number.

451225412000 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 451225412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609493248000).

451225412000 is an abundant number, since it is smaller than the sum of its proper divisors (767761084000).

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

451225412000 is a wasteful number, since it uses less digits than its factorization.

451225412000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80912 (or 80894 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 451225412000 its reverse (214522154), we get a palindrome (451439934154).

It can be divided in two parts, 4512254 and 12000, that added together give a palindrome (4524254).

The spelling of 451225412000 in words is "four hundred fifty-one billion, two hundred twenty-five million, four hundred twelve thousand".