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10917050880 = 29357120021
BaseRepresentation
bin10100010101011010…
…01111101000000000
31001011211100122102210
422022231033220000
5134324231112010
65003142142120
7534351254451
oct121255175000
931154318383
1010917050880
1146a24329aa
122148121940
13104c9a3b28
14757c7b128
1543d656b20
hex28ab4fa00

10917050880 has 160 divisors (see below), whose sum is σ = 35393770368. Its totient is φ = 2870067200.

The previous prime is 10917050863. The next prime is 10917050887. The reversal of 10917050880 is 8805071901.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10917050887) 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, 535270 + ... + 555290.

Almost surely, 210917050880 is an apocalyptic number.

10917050880 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 10917050880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17696885184).

10917050880 is an abundant number, since it is smaller than the sum of its proper divisors (24476719488).

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

10917050880 is an equidigital number, since it uses as much as digits as its factorization.

10917050880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20118 (or 20102 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 39.

The spelling of 10917050880 in words is "ten billion, nine hundred seventeen million, fifty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 71 80 96 120 128 142 160 192 213 240 256 284 320 355 384 426 480 512 568 640 710 768 852 960 1065 1136 1280 1420 1536 1704 1920 2130 2272 2560 2840 3408 3840 4260 4544 5680 6816 7680 8520 9088 11360 13632 17040 18176 20021 22720 27264 34080 36352 40042 45440 54528 60063 68160 80084 90880 100105 109056 120126 136320 160168 181760 200210 240252 272640 300315 320336 400420 480504 545280 600630 640672 800840 961008 1201260 1281344 1421491 1601680 1922016 2402520 2562688 2842982 3203360 3844032 4264473 4805040 5125376 5685964 6406720 7107455 7688064 8528946 9610080 10250752 11371928 12813440 14214910 15376128 17057892 19220160 21322365 22743856 25626880 28429820 30752256 34115784 38440320 42644730 45487712 51253760 56859640 68231568 76880640 85289460 90975424 113719280 136463136 153761280 170578920 181950848 227438560 272926272 341157840 363901696 454877120 545852544 682315680 727803392 909754240 1091705088 1364631360 1819508480 2183410176 2729262720 3639016960 5458525440 10917050880