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450312410000 = 245489505969
BaseRepresentation
bin1101000110110001011…
…01100001001110010000
31121001100001020121120102
412203120231201032100
524334214434110000
6542512021431532
744351106221045
oct6433055411620
91531301217512
10450312410000
11163a81685732
127333486b5a8
133360603264b
1417b1c1b71cc
15baa88ee3d5
hex68d8b61390

450312410000 has 100 divisors (see below), whose sum is σ = 1102503570300. Its totient is φ = 178100736000.

The previous prime is 450312409993. The next prime is 450312410071. The reversal of 450312410000 is 14213054.

It can be written as a sum of positive squares in 10 ways, for example, as 450139013776 + 173396224 = 670924^2 + 13168^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 19 ways as a sum of consecutive naturals, for example, 637016 + ... + 1142984.

It is an arithmetic number, because the mean of its divisors is an integer number (11025035703).

Almost surely, 2450312410000 is an apocalyptic number.

450312410000 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 450312410000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551251785150).

450312410000 is an abundant number, since it is smaller than the sum of its proper divisors (652191160300).

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

450312410000 is an equidigital number, since it uses as much as digits as its factorization.

450312410000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506086 (or 506065 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 450312410000 its reverse (14213054), we get a palindrome (450326623054).

The spelling of 450312410000 in words is "four hundred fifty billion, three hundred twelve million, four hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 100 125 178 200 250 356 400 445 500 625 712 890 1000 1250 1424 1780 2000 2225 2500 3560 4450 5000 7120 8900 10000 11125 17800 22250 35600 44500 55625 89000 111250 178000 222500 445000 505969 890000 1011938 2023876 2529845 4047752 5059690 8095504 10119380 12649225 20238760 25298450 40477520 45031241 50596900 63246125 90062482 101193800 126492250 180124964 202387600 225156205 252984500 316230625 360249928 450312410 505969000 632461250 720499856 900624820 1011938000 1125781025 1264922500 1801249640 2251562050 2529845000 3602499280 4503124100 5059690000 5628905125 9006248200 11257810250 18012496400 22515620500 28144525625 45031241000 56289051250 90062482000 112578102500 225156205000 450312410000