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1380189473280 = 29335591073163
BaseRepresentation
bin10100000101011001101…
…101000000101000000000
311212221111202222202201000
4110011121231000220000
5140103112001121110
62534014510212000
7201500244645252
oct24053155005000
94787452882630
101380189473280
11492375a81362
121a35a67b4000
13a01c756c007
144ab31565cd2
1525d7dd6e1c0
hex14159b40a00

1380189473280 has 640 divisors, whose sum is σ = 5033827814400. Its totient is φ = 358317637632.

The previous prime is 1380189473261. The next prime is 1380189473303. The reversal of 1380189473280 is 823749810831.

It is a happy number.

1380189473280 is a `hidden beast` number, since 1 + 3 + 80 + 18 + 9 + 473 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 436352979 + ... + 436356141.

It is an arithmetic number, because the mean of its divisors is an integer number (7865355960).

Almost surely, 21380189473280 is an apocalyptic number.

1380189473280 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 1380189473280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2516913907200).

1380189473280 is an abundant number, since it is smaller than the sum of its proper divisors (3653638341120).

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

1380189473280 is a wasteful number, since it uses less digits than its factorization.

1380189473280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3339 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 1380189473280 in words is "one trillion, three hundred eighty billion, one hundred eighty-nine million, four hundred seventy-three thousand, two hundred eighty".