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144605307840 = 2635721518647
BaseRepresentation
bin1000011010101100100…
…1011110001111000000
3111211020210101202110020
42012223021132033000
54332122424322330
6150233013333440
713306311556530
oct2065311361700
9454223352406
10144605307840
1156365a21084
1224038037280
1310836a1a216
146ddb10b4c0
153b651b2210
hex21ab25e3c0

144605307840 has 112 divisors (see below), whose sum is σ = 524710712832. Its totient is φ = 33052640256.

The previous prime is 144605307829. The next prime is 144605307851. The reversal of 144605307840 is 48703506441.

It is an interprime number because it is at equal distance from previous prime (144605307829) and next prime (144605307851).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 144605307792 and 144605307801.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10752604 + ... + 10766043.

Almost surely, 2144605307840 is an apocalyptic number.

144605307840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144605307840 is an abundant number, since it is smaller than the sum of its proper divisors (380105404992).

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

144605307840 is a wasteful number, since it uses less digits than its factorization.

144605307840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21518674 (or 21518664 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 144605307840 in words is "one hundred forty-four billion, six hundred five million, three hundred seven thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1680 2240 3360 6720 21518647 43037294 64555941 86074588 107593235 129111882 150630529 172149176 215186470 258223764 301261058 322779705 344298352 430372940 451891587 516447528 602522116 645559410 688596704 753152645 860745880 903783174 1032895056 1205044232 1291118820 1377193408 1506305290 1721491760 1807566348 2065790112 2259457935 2410088464 2582237640 3012610580 3442983520 3615132696 4131580224 4518915870 4820176928 5164475280 6025221160 6885967040 7230265392 9037831740 9640353856 10328950560 12050442320 14460530784 18075663480 20657901120 24100884640 28921061568 36151326960 48201769280 72302653920 144605307840