Search a number
-
+
42145520300 = 225213972831181
BaseRepresentation
bin100111010000000100…
…011001101010101100
311000210012020021001022
4213100010121222230
51142303223122200
631210020433312
73021256004012
oct472004315254
9130705207038
1042145520300
1116968058214
128202548838
133c8871a7c0
14207b5068b2
15116a041885
hex9d0119aac

42145520300 has 144 divisors (see below), whose sum is σ = 99942374112. Its totient is φ = 15333580800.

The previous prime is 42145520281. The next prime is 42145520317. The reversal of 42145520300 is 302554124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 42145520300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35685710 + ... + 35686890.

Almost surely, 242145520300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42145520300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49971187056).

42145520300 is an abundant number, since it is smaller than the sum of its proper divisors (57796853812).

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

42145520300 is a wasteful number, since it uses less digits than its factorization.

42145520300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 42145520300 in words is "forty-two billion, one hundred forty-five million, five hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 97 100 130 194 260 283 325 388 485 566 650 970 1132 1181 1261 1300 1415 1940 2362 2425 2522 2830 3679 4724 4850 5044 5660 5905 6305 7075 7358 9700 11810 12610 14150 14716 15353 18395 23620 25220 27451 28300 29525 30706 31525 36790 54902 59050 61412 63050 73580 76765 91975 109804 114557 118100 126100 137255 153530 183950 229114 274510 307060 334223 356863 367900 383825 458228 549020 572785 668446 686275 713726 767650 1145570 1336892 1372550 1427452 1489241 1535300 1671115 1784315 2291140 2745100 2863925 2978482 3342230 3568630 4344899 5727850 5956964 6684460 7137260 7446205 8355575 8689798 8921575 11455700 14892410 16711150 17379596 17843150 21724495 29784820 32419631 33422300 35686300 37231025 43448990 64839262 74462050 86897980 108622475 129678524 148924100 162098155 217244950 324196310 421455203 434489900 648392620 810490775 842910406 1620981550 1685820812 2107276015 3241963100 4214552030 8429104060 10536380075 21072760150 42145520300