Search a number
-
+
121486266 = 232111943751
BaseRepresentation
bin1110011110110…
…11101110111010
322110121010211100
413033123232322
5222100030031
620015512230
73003421236
oct717335672
9273533740
10121486266
1162637480
1234828676
131c227585
14121c55c6
15a9eade6
hex73dbbba

121486266 has 96 divisors (see below), whose sum is σ = 309703680. Its totient is φ = 34020000.

The previous prime is 121486243. The next prime is 121486271. The reversal of 121486266 is 662684121.

121486266 is a `hidden beast` number, since 1 + 21 + 4 + 8 + 626 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 121486266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161391 + ... + 162141.

It is an arithmetic number, because the mean of its divisors is an integer number (3226080).

Almost surely, 2121486266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121486266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154851840).

121486266 is an abundant number, since it is smaller than the sum of its proper divisors (188217414).

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

121486266 is a wasteful number, since it uses less digits than its factorization.

121486266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 829 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 121486266 is about 11022.0808380269. The cubic root of 121486266 is about 495.2704246273.

The spelling of 121486266 in words is "one hundred twenty-one million, four hundred eighty-six thousand, two hundred sixty-six".

Divisors: 1 2 3 6 9 11 18 19 22 33 38 43 57 66 86 99 114 129 171 198 209 258 342 387 418 473 627 751 774 817 946 1254 1419 1502 1634 1881 2253 2451 2838 3762 4257 4506 4902 6759 7353 8261 8514 8987 13518 14269 14706 16522 17974 24783 26961 28538 32293 42807 49566 53922 64586 74349 80883 85614 96879 128421 148698 156959 161766 193758 256842 290637 313918 355223 470877 581274 613567 710446 941754 1065669 1227134 1412631 1840701 2131338 2825262 3197007 3681402 5522103 6394014 6749237 11044206 13498474 20247711 40495422 60743133 121486266