Search a number
-
+
11218545120 = 2535229102061
BaseRepresentation
bin10100111001010110…
…10110100111100000
31001221211200010210010
422130223112213200
5140433421420440
65053112204520
7545002026426
oct123453264740
931854603703
1011218545120
114837637aa2
122211099740
13109a2a5aa3
14785d1d116
15459d5d580
hex29cad69e0

11218545120 has 96 divisors (see below), whose sum is σ = 35493081120. Its totient is φ = 2978519040.

The previous prime is 11218545053. The next prime is 11218545131. The reversal of 11218545120 is 2154581211.

11218545120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 58890 + ... + 160950.

It is an arithmetic number, because the mean of its divisors is an integer number (369719595).

Almost surely, 211218545120 is an apocalyptic number.

11218545120 is a gapful number since it is divisible by the number (10) 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 11218545120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17746540560).

11218545120 is an abundant number, since it is smaller than the sum of its proper divisors (24274536000).

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

11218545120 is a wasteful number, since it uses less digits than its factorization.

11218545120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102308 (or 102300 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The spelling of 11218545120 in words is "eleven billion, two hundred eighteen million, five hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 229 240 458 480 687 916 1145 1374 1832 2290 2748 3435 3664 4580 5496 6870 7328 9160 10992 13740 18320 21984 27480 36640 54960 102061 109920 204122 306183 408244 510305 612366 816488 1020610 1224732 1530915 1632976 2041220 2449464 3061830 3265952 4082440 4898928 6123660 8164880 9797856 12247320 16329760 23371969 24494640 46743938 48989280 70115907 93487876 116859845 140231814 186975752 233719690 280463628 350579535 373951504 467439380 560927256 701159070 747903008 934878760 1121854512 1402318140 1869757520 2243709024 2804636280 3739515040 5609272560 11218545120