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2144131044400 = 245223922428149
BaseRepresentation
bin11111001100111000001…
…010110101010000110000
321120222101011211112021201
4133030320022311100300
5240112140021410100
64321000013300544
7310623365111422
oct37147012652060
97528334745251
102144131044400
11757359093804
122a7669194754
13127262c3aa27
1475ac29c4812
153ab9170c36a
hex1f3382b5430

2144131044400 has 60 divisors (see below), whose sum is σ = 5172828516000. Its totient is φ = 854063875840.

The previous prime is 2144131044397. The next prime is 2144131044409. The reversal of 2144131044400 is 44401314412.

It is not an unprimeable number, because it can be changed into a prime (2144131044409) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11118475 + ... + 11309674.

It is an arithmetic number, because the mean of its divisors is an integer number (86213808600).

Almost surely, 22144131044400 is an apocalyptic number.

2144131044400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144131044400 is an abundant number, since it is smaller than the sum of its proper divisors (3028697471600).

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

2144131044400 is a wasteful number, since it uses less digits than its factorization.

2144131044400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22428406 (or 22428395 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2144131044400 its reverse (44401314412), we get a palindrome (2188532358812).

The spelling of 2144131044400 in words is "two trillion, one hundred forty-four billion, one hundred thirty-one million, forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 239 400 478 956 1195 1912 2390 3824 4780 5975 9560 11950 19120 23900 47800 95600 22428149 44856298 89712596 112140745 179425192 224281490 358850384 448562980 560703725 897125960 1121407450 1794251920 2242814900 4485629800 5360327611 8971259600 10720655222 21441310444 26801638055 42882620888 53603276110 85765241776 107206552220 134008190275 214413104440 268016380550 428826208880 536032761100 1072065522200 2144131044400