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1444428900186 = 231961979204431
BaseRepresentation
bin10101000001001110101…
…010111110011101011010
312010002022201210202212120
4111001032222332131122
5142131142244301221
63023321140122110
7206233203034206
oct25011652763532
95102281722776
101444428900186
11507640504618
121b3b34396336
13a62943ca91c
144dca7095b06
152788d88d5c6
hex1504eabe75a

1444428900186 has 32 divisors (see below), whose sum is σ = 3040966886400. Its totient is φ = 456125851440.

The previous prime is 1444428900169. The next prime is 1444428900323. The reversal of 1444428900186 is 6810098244441.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6963391 + ... + 7167821.

It is an arithmetic number, because the mean of its divisors is an integer number (95030215200).

Almost surely, 21444428900186 is an apocalyptic number.

1444428900186 is an abundant number, since it is smaller than the sum of its proper divisors (1596537986214).

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

1444428900186 is a wasteful number, since it uses less digits than its factorization.

1444428900186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266434.

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 1444428900186 in words is "one trillion, four hundred forty-four billion, four hundred twenty-eight million, nine hundred thousand, one hundred eighty-six".

Divisors: 1 2 3 6 19 38 57 114 61979 123958 185937 204431 371874 408862 613293 1177601 1226586 2355202 3532803 3884189 7065606 7768378 11652567 23305134 12670428949 25340857898 38011286847 76022573694 240738150031 481476300062 722214450093 1444428900186