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106749390720 = 273577942663
BaseRepresentation
bin110001101101011000…
…0100110111110000000
3101012112112210220201210
41203122300212332000
53222110321000340
6121012345530120
710466230564320
oct1433260467600
9335475726653
10106749390720
11412aa280265
12188321a3940
13a0b2c1b86b
1452495c3280
152b9ba4e180
hex18dac26f80

106749390720 has 128 divisors (see below), whose sum is σ = 388872829440. Its totient is φ = 24399857664.

The previous prime is 106749390719. The next prime is 106749390731. The reversal of 106749390720 is 27093947601.

It is a happy number.

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

It is a super-2 number, since 2×1067493907202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 106749390720.

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, 3957892 + ... + 3984771.

It is an arithmetic number, because the mean of its divisors is an integer number (3038068980).

Almost surely, 2106749390720 is an apocalyptic number.

106749390720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106749390720 is an abundant number, since it is smaller than the sum of its proper divisors (282123438720).

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

106749390720 is an equidigital number, since it uses as much as digits as its factorization.

106749390720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942692 (or 7942680 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 106749390720 in words is "one hundred six billion, seven hundred forty-nine million, three hundred ninety thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4480 6720 13440 7942663 15885326 23827989 31770652 39713315 47655978 55598641 63541304 79426630 95311956 111197282 119139945 127082608 158853260 166795923 190623912 222394564 238279890 254165216 277993205 317706520 333591846 381247824 444789128 476559780 508330432 555986410 635413040 667183692 762495648 833979615 889578256 953119560 1016660864 1111972820 1270826080 1334367384 1524991296 1667959230 1779156512 1906239120 2223945640 2541652160 2668734768 3049982592 3335918460 3558313024 3812478240 4447891280 5083304320 5337469536 6671836920 7116626048 7624956480 8895782560 10674939072 13343673840 15249912960 17791565120 21349878144 26687347680 35583130240 53374695360 106749390720