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109110144 = 27311131987
BaseRepresentation
bin1101000000011…
…10001110000000
321121022100222110
412200032032000
5210413011034
614454335320
72463264243
oct640161600
9247270873
10109110144
1156654080
123065a540
13197b3320
14106c325a
1598a3de9
hex680e380

109110144 has 128 divisors (see below), whose sum is σ = 340663680. Its totient is φ = 30504960.

The previous prime is 109110101. The next prime is 109110163. The reversal of 109110144 is 441011901.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 109110144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53919 + ... + 55905.

It is an arithmetic number, because the mean of its divisors is an integer number (2661435).

Almost surely, 2109110144 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 109110144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170331840).

109110144 is an abundant number, since it is smaller than the sum of its proper divisors (231553536).

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

109110144 is a wasteful number, since it uses less digits than its factorization.

109110144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 109110144 is about 10445.5801179255. The cubic root of 109110144 is about 477.8464636464.

The spelling of 109110144 in words is "one hundred nine million, one hundred ten thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 44 48 52 64 66 78 88 96 104 128 132 143 156 176 192 208 264 286 312 352 384 416 429 528 572 624 704 832 858 1056 1144 1248 1408 1664 1716 1987 2112 2288 2496 3432 3974 4224 4576 4992 5961 6864 7948 9152 11922 13728 15896 18304 21857 23844 25831 27456 31792 43714 47688 51662 54912 63584 65571 77493 87428 95376 103324 127168 131142 154986 174856 190752 206648 254336 262284 284141 309972 349712 381504 413296 524568 568282 619944 699424 763008 826592 852423 1049136 1136564 1239888 1398848 1653184 1704846 2098272 2273128 2479776 2797696 3306368 3409692 4196544 4546256 4959552 6819384 8393088 9092512 9919104 13638768 18185024 27277536 36370048 54555072 109110144