Search a number
-
+
121188096 = 283389197
BaseRepresentation
bin1110011100100…
…10111100000000
322110000222211000
413032102330000
5222011004341
620005252000
73001040031
oct716227400
9273028730
10121188096
1162453457
1234704000
131c151943
1412148a88
15a98c8b6
hex7392f00

121188096 has 144 divisors (see below), whose sum is σ = 364240800. Its totient is φ = 39739392.

The previous prime is 121188091. The next prime is 121188097. The reversal of 121188096 is 690881121.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1211880962 = 29373109224210432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 121188096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121188091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615070 + ... + 615266.

It is an arithmetic number, because the mean of its divisors is an integer number (2529450).

Almost surely, 2121188096 is an apocalyptic number.

121188096 is a gapful number since it is divisible by the number (16) 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 121188096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182120400).

121188096 is an abundant number, since it is smaller than the sum of its proper divisors (243052704).

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

121188096 is an equidigital number, since it uses as much as digits as its factorization.

121188096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 121188096 is about 11008.5464980623. The cubic root of 121188096 is about 494.8649034447.

The spelling of 121188096 in words is "one hundred twenty-one million, one hundred eighty-eight thousand, ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 89 96 108 128 144 178 192 197 216 256 267 288 356 384 394 432 534 576 591 712 768 788 801 864 1068 1152 1182 1424 1576 1602 1728 1773 2136 2304 2364 2403 2848 3152 3204 3456 3546 4272 4728 4806 5319 5696 6304 6408 6912 7092 8544 9456 9612 10638 11392 12608 12816 14184 17088 17533 18912 19224 21276 22784 25216 25632 28368 34176 35066 37824 38448 42552 50432 51264 52599 56736 68352 70132 75648 76896 85104 102528 105198 113472 140264 151296 153792 157797 170208 205056 210396 226944 280528 307584 315594 340416 420792 453888 473391 561056 615168 631188 680832 841584 946782 1122112 1262376 1361664 1683168 1893564 2244224 2524752 3366336 3787128 4488448 5049504 6732672 7574256 10099008 13465344 15148512 20198016 30297024 40396032 60594048 121188096