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144978287439344 = 24531297131815699
BaseRepresentation
bin100000111101101101100011…
…010100101010110111110000
3201000022210022010100022012012
4200331231203110222313300
5123000311013041024334
61232202034504022052
742352223054236142
oct4075554324526760
9630283263308165
10144978287439344
1142215a457575a7
121431591b161928
1362b8517373528
1427b2db5156c92
1511b634095b9ce
hex83db6352adf0

144978287439344 has 40 divisors (see below), whose sum is σ = 286416007376400. Its totient is φ = 71066588156928.

The previous prime is 144978287439299. The next prime is 144978287439413. The reversal of 144978287439344 is 443934782879441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64807994 + ... + 67007705.

It is an arithmetic number, because the mean of its divisors is an integer number (7160400184410).

Almost surely, 2144978287439344 is an apocalyptic number.

It is an amenable number.

144978287439344 is a deficient number, since it is larger than the sum of its proper divisors (141437719937056).

144978287439344 is a wasteful number, since it uses less digits than its factorization.

144978287439344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131817057 (or 131817051 counting only the distinct ones).

The product of its digits is 4682022912, while the sum is 77.

The spelling of 144978287439344 in words is "one hundred forty-four trillion, nine hundred seventy-eight billion, two hundred eighty-seven million, four hundred thirty-nine thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 53 106 212 424 848 1297 2594 5188 10376 20752 68741 137482 274964 549928 1099856 131815699 263631398 527262796 1054525592 2109051184 6986232047 13972464094 27944928188 55889856376 111779712752 170964961603 341929923206 683859846412 1367719692824 2735439385648 9061142964959 18122285929918 36244571859836 72489143719672 144978287439344