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144374812032 = 27311199171757
BaseRepresentation
bin1000011001110101101…
…0001100110110000000
3111210122201200100122110
42012131122030312000
54331134422441112
6150154101135320
713300512440223
oct2063532146600
9453581610573
10144374812032
11562578aa180
1223b929ba540
13107cb046379
146db866b5ba
153b4ed3213c
hex219d68cd80

144374812032 has 128 divisors (see below), whose sum is σ = 420463584000. Its totient is φ = 43529840640.

The previous prime is 144374811989. The next prime is 144374812037. The reversal of 144374812032 is 230218473441.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144374812037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754698 + ... + 926454.

It is an arithmetic number, because the mean of its divisors is an integer number (3284871750).

Almost surely, 2144374812032 is an apocalyptic number.

144374812032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144374812032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210231792000).

144374812032 is an abundant number, since it is smaller than the sum of its proper divisors (276088771968).

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

144374812032 is a wasteful number, since it uses less digits than its factorization.

144374812032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171984 (or 171972 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 144374812032 in words is "one hundred forty-four billion, three hundred seventy-four million, eight hundred twelve thousand, thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 199 264 352 384 398 528 597 704 796 1056 1194 1408 1592 2112 2189 2388 3184 4224 4378 4776 6368 6567 8756 9552 12736 13134 17512 19104 25472 26268 35024 38208 52536 70048 76416 105072 140096 171757 210144 280192 343514 420288 515271 687028 840576 1030542 1374056 1889327 2061084 2748112 3778654 4122168 5496224 5667981 7557308 8244336 10992448 11335962 15114616 16488672 21984896 22671924 30229232 32977344 34179643 45343848 60458464 65954688 68359286 90687696 102538929 120916928 136718572 181375392 205077858 241833856 273437144 362750784 375976073 410155716 546874288 725501568 751952146 820311432 1093748576 1127928219 1503904292 1640622864 2187497152 2255856438 3007808584 3281245728 4374994304 4511712876 6015617168 6562491456 9023425752 12031234336 13124982912 18046851504 24062468672 36093703008 48124937344 72187406016 144374812032