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144205887128 = 2373324591727
BaseRepresentation
bin1000011001001101010…
…1110011011010011000
3111210012221211002020112
42012103111303122120
54330313201342003
6150125224343452
713263361546622
oct2062325633230
9453187732215
10144205887128
1156180511416
1223b46314b88
13107a204c4c4
146da0057c12
153b400b53d8
hex2193573698

144205887128 has 16 divisors (see below), whose sum is σ = 270754925280. Its totient is φ = 72004573728.

The previous prime is 144205887121. The next prime is 144205887139. The reversal of 144205887128 is 821788502441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144205887121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12290000 + ... + 12301727.

It is an arithmetic number, because the mean of its divisors is an integer number (16922182830).

Almost surely, 2144205887128 is an apocalyptic number.

It is an amenable number.

144205887128 is a deficient number, since it is larger than the sum of its proper divisors (126549038152).

144205887128 is a wasteful number, since it uses less digits than its factorization.

144205887128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24592466 (or 24592462 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 144205887128 in words is "one hundred forty-four billion, two hundred five million, eight hundred eighty-seven thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 733 1466 2932 5864 24591727 49183454 98366908 196733816 18025735891 36051471782 72102943564 144205887128