Search a number
-
+
144945635730 = 235719291252663
BaseRepresentation
bin1000011011111101101…
…1101110000110010010
3111212010111210012112220
42012333123232012102
54333322040320410
6150330452001510
713320613401240
oct2067733560622
9455114705486
10144945635730
115652003a4a5
1224112000296
131088c397b7c
1470303bb790
153b84eda070
hex21bf6ee192

144945635730 has 128 divisors (see below), whose sum is σ = 432920678400. Its totient is φ = 30304399104.

The previous prime is 144945635579. The next prime is 144945635753. The reversal of 144945635730 is 37536549441.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 510622 + ... + 742041.

It is an arithmetic number, because the mean of its divisors is an integer number (3382192800).

Almost surely, 2144945635730 is an apocalyptic number.

144945635730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144945635730 is an abundant number, since it is smaller than the sum of its proper divisors (287975042670).

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

144945635730 is a wasteful number, since it uses less digits than its factorization.

144945635730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252728.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 144945635730 in words is "one hundred forty-four billion, nine hundred forty-five million, six hundred thirty-five thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 29 30 35 38 42 57 58 70 87 95 105 114 133 145 174 190 203 210 266 285 290 399 406 435 551 570 609 665 798 870 1015 1102 1218 1330 1653 1995 2030 2755 3045 3306 3857 3990 5510 6090 7714 8265 11571 16530 19285 23142 38570 57855 115710 1252663 2505326 3757989 6263315 7515978 8768641 12526630 17537282 18789945 23800597 26305923 36327227 37579890 43843205 47601194 52611846 71401791 72654454 87686410 108981681 119002985 131529615 142803582 166604179 181636135 217963362 238005970 254290589 263059230 333208358 357008955 363272270 499812537 508581178 544908405 690217313 714017910 762871767 833020895 999625074 1089816810 1271452945 1380434626 1525743534 1666041790 2070651939 2499062685 2542905890 3451086565 3814358835 4141303878 4831521191 4998125370 6902173130 7628717670 9663042382 10353259695 14494563573 20706519390 24157605955 28989127146 48315211910 72472817865 144945635730