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11805832240 = 2451747191967
BaseRepresentation
bin10101111111010111…
…01011010000110000
31010110202202102020221
422333223223100300
5143134243112430
65231251542424
7565362626656
oct127753532060
933422672227
1011805832240
1150090a2554
1223558baa14
131161b70067
147ddd16dd6
154916b957a
hex2bfaeb430

11805832240 has 160 divisors (see below), whose sum is σ = 29867802624. Its totient is φ = 4322734080.

The previous prime is 11805832231. The next prime is 11805832249. The reversal of 11805832240 is 4223850811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11805832231) and next prime (11805832249).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 11805832196 and 11805832205.

It is not an unprimeable number, because it can be changed into a prime (11805832249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12208237 + ... + 12209203.

Almost surely, 211805832240 is an apocalyptic number.

11805832240 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 11805832240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14933901312).

11805832240 is an abundant number, since it is smaller than the sum of its proper divisors (18061970384).

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

11805832240 is a wasteful number, since it uses less digits than its factorization.

11805832240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 11805832240 in words is "eleven billion, eight hundred five million, eight hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 47 68 80 85 94 136 170 188 191 235 272 340 376 382 470 680 752 764 799 940 955 967 1360 1528 1598 1880 1910 1934 3056 3196 3247 3760 3820 3868 3995 4835 6392 6494 7640 7736 7990 8977 9670 12784 12988 15280 15472 15980 16235 16439 17954 19340 25976 31960 32470 32878 35908 38680 44885 45449 51952 63920 64940 65756 71816 77360 82195 89770 90898 129880 131512 143632 152609 164390 179540 181796 184697 227245 259760 263024 305218 328780 359080 363592 369394 454490 610436 657560 718160 727184 738788 763045 772633 908980 923485 1220872 1315120 1477576 1526090 1545266 1817960 1846970 2441744 2955152 3052180 3090532 3139849 3635920 3693940 3863165 6104360 6181064 6279698 7387880 7726330 8680759 12208720 12362128 12559396 14775760 15452660 15699245 17361518 25118792 30905320 31398490 34723036 43403795 50237584 61810640 62796980 69446072 86807590 125593960 138892144 147572903 173615180 251187920 295145806 347230360 590291612 694460720 737864515 1180583224 1475729030 2361166448 2951458060 5902916120 11805832240