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144208945618 = 21728314987419
BaseRepresentation
bin1000011001001110000…
…1011110000111010010
3111210020011120110200221
42012103201132013102
54330314442224433
6150125414103254
713263426545533
oct2062341360722
9453204513627
10144208945618
11561822102a1
1223b4734ab2a
13107a288066a
146da061268a
153b404bb72d
hex219385e1d2

144208945618 has 16 divisors (see below), whose sum is σ = 229847073120. Its totient is φ = 67623230016.

The previous prime is 144208945609. The next prime is 144208945687. The reversal of 144208945618 is 816549802441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7484088 + ... + 7503331.

It is an arithmetic number, because the mean of its divisors is an integer number (14365442070).

Almost surely, 2144208945618 is an apocalyptic number.

144208945618 is a deficient number, since it is larger than the sum of its proper divisors (85638127502).

144208945618 is a wasteful number, since it uses less digits than its factorization.

144208945618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14987721.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 144208945618 in words is "one hundred forty-four billion, two hundred eight million, nine hundred forty-five thousand, six hundred eighteen".

Divisors: 1 2 17 34 283 566 4811 9622 14987419 29974838 254786123 509572246 4241439577 8482879154 72104472809 144208945618