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1200323112320 = 2751875504863
BaseRepresentation
bin10001011101111000110…
…101010010110110000000
311020202020120200220202102
4101131320311102312000
5124131230204043240
62315230522005532
7152502061053323
oct21357065226600
94222216626672
101200323112320
11423066117172
121747699468a8
1389261518727
144214b3d67ba
1521353262815
hex11778d52d80

1200323112320 has 32 divisors (see below), whose sum is σ = 2869522441920. Its totient is φ = 480129244672.

The previous prime is 1200323112319. The next prime is 1200323112377. The reversal of 1200323112320 is 232113230021.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a junction number, because it is equal to n+sod(n) for n = 1200323112292 and 1200323112301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937751792 + ... + 937753071.

It is an arithmetic number, because the mean of its divisors is an integer number (89672576310).

Almost surely, 21200323112320 is an apocalyptic number.

1200323112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200323112320 is an abundant number, since it is smaller than the sum of its proper divisors (1669199329600).

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

1200323112320 is an equidigital number, since it uses as much as digits as its factorization.

1200323112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875504882 (or 1875504870 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1200323112320 its reverse (232113230021), we get a palindrome (1432436342341).

The spelling of 1200323112320 in words is "one trillion, two hundred billion, three hundred twenty-three million, one hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1875504863 3751009726 7502019452 9377524315 15004038904 18755048630 30008077808 37510097260 60016155616 75020194520 120032311232 150040389040 240064622464 300080778080 600161556160 1200323112320