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11109465680 = 2451953239577
BaseRepresentation
bin10100101100010110…
…01111111001010000
31001200020102022220212
422112023033321100
5140223010400210
65034214223252
7542205620525
oct122613177120
931606368825
1011109465680
114791004aa5
1221a0654b28
131080803741
1477564714c
154504b3805
hex2962cfe50

11109465680 has 160 divisors (see below), whose sum is σ = 27866073600. Its totient is φ = 4106059776.

The previous prime is 11109465671. The next prime is 11109465709. The reversal of 11109465680 is 8656490111.

11109465680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 19253552 + ... + 19254128.

It is an arithmetic number, because the mean of its divisors is an integer number (174162960).

Almost surely, 211109465680 is an apocalyptic number.

11109465680 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 11109465680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13933036800).

11109465680 is an abundant number, since it is smaller than the sum of its proper divisors (16756607920).

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

11109465680 is a wasteful number, since it uses less digits than its factorization.

11109465680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 11109465680 in words is "eleven billion, one hundred nine million, four hundred sixty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 53 76 80 95 106 152 190 212 239 265 304 380 424 478 530 577 760 848 956 1007 1060 1154 1195 1520 1912 2014 2120 2308 2390 2885 3824 4028 4240 4541 4616 4780 5035 5770 8056 9082 9232 9560 10070 10963 11540 12667 16112 18164 19120 20140 21926 22705 23080 25334 30581 36328 40280 43852 45410 46160 50668 54815 61162 63335 72656 80560 87704 90820 101336 109630 122324 126670 137903 152905 175408 181640 202672 219260 240673 244648 253340 275806 305810 363280 438520 481346 489296 506680 551612 581039 611620 689515 877040 962692 1013360 1103224 1162078 1203365 1223240 1379030 1925384 2206448 2324156 2406730 2446480 2620157 2758060 2905195 3850768 4648312 4813460 5240314 5516120 5810390 7308859 9296624 9626920 10480628 11032240 11620780 13100785 14617718 19253840 20961256 23241560 26201570 29235436 36544295 41922512 46483120 52403140 58470872 73088590 104806280 116941744 138868321 146177180 209612560 277736642 292354360 555473284 584708720 694341605 1110946568 1388683210 2221893136 2777366420 5554732840 11109465680