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1073220545280 = 283513136715727
BaseRepresentation
bin11111001111000001110…
…11011110101100000000
310210121011120210111221110
433213200323132230000
5120040423424422110
62141010344523320
7140352256055352
oct17474073365400
93717146714843
101073220545280
11384172023334
12153bb7480540
137a2869c6390
1439d30a750d2
151cdb4982a20
hexf9e0edeb00

1073220545280 has 288 divisors, whose sum is σ = 3694194653184. Its totient is φ = 263967326208.

The previous prime is 1073220545279. The next prime is 1073220545323. The reversal of 1073220545280 is 825450223701.

It is a super-2 number, since 2×10732205452802 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68232777 + ... + 68248503.

It is an arithmetic number, because the mean of its divisors is an integer number (12827064768).

Almost surely, 21073220545280 is an apocalyptic number.

1073220545280 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 1073220545280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1847097326592).

1073220545280 is an abundant number, since it is smaller than the sum of its proper divisors (2620974107904).

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

1073220545280 is a wasteful number, since it uses less digits than its factorization.

1073220545280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131 (or 17117 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 1073220545280 its reverse (825450223701), we get a palindrome (1898670768981).

The spelling of 1073220545280 in words is "one trillion, seventy-three billion, two hundred twenty million, five hundred forty-five thousand, two hundred eighty".