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144317043940 = 225107217930949
BaseRepresentation
bin1000011001100111110…
…1110101010011100100
3111210111200222102201111
42012121331311103210
54331030130401230
6150144235034404
713266211430146
oct2063175652344
9453450872644
10144317043940
1156228233153
1223b7759ba04
13107bc09b274
146db0b10c96
153b49c2092a
hex2199f754e4

144317043940 has 48 divisors (see below), whose sum is σ = 306048456000. Its totient is φ = 57159222912.

The previous prime is 144317043931. The next prime is 144317043953. The reversal of 144317043940 is 49340713441.

It is a junction number, because it is equal to n+sod(n) for n = 144317043893 and 144317043902.

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, 4647586 + ... + 4678534.

It is an arithmetic number, because the mean of its divisors is an integer number (6376009500).

Almost surely, 2144317043940 is an apocalyptic number.

144317043940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144317043940 is an abundant number, since it is smaller than the sum of its proper divisors (161731412060).

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

144317043940 is a wasteful number, since it uses less digits than its factorization.

144317043940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33244 (or 33242 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 144317043940 in words is "one hundred forty-four billion, three hundred seventeen million, forty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 2179 4358 8716 10895 21790 30949 43580 61898 123796 154745 233153 309490 466306 618980 932612 1165765 2331530 3311543 4663060 6623086 13246172 16557715 33115430 66230860 67437871 134875742 269751484 337189355 674378710 1348757420 7215852197 14431704394 28863408788 36079260985 72158521970 144317043940