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68320929300 = 2235213109116057
BaseRepresentation
bin111111101000001111…
…101010011000010100
320112100101212210212220
4333220033222120110
52104410124214200
651215230342340
74636025213541
oct775017523024
9215311783786
1068320929300
1126a7a424438
12112a865a9b0
13659a6184b0
143441a1bbc8
151b9cee34a0
hexfe83ea614

68320929300 has 144 divisors (see below), whose sum is σ = 213089403072. Its totient is φ = 16800998400.

The previous prime is 68320929283. The next prime is 68320929317. The reversal of 68320929300 is 392902386.

It is an interprime number because it is at equal distance from previous prime (68320929283) and next prime (68320929317).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4246872 + ... + 4262928.

Almost surely, 268320929300 is an apocalyptic number.

68320929300 is a gapful number since it is divisible by the number (60) 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 68320929300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106544701536).

68320929300 is an abundant number, since it is smaller than the sum of its proper divisors (144768473772).

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

68320929300 is a wasteful number, since it uses less digits than its factorization.

68320929300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17178 (or 17171 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 68320929300 in words is "sixty-eight billion, three hundred twenty million, nine hundred twenty-nine thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 390 650 780 975 1091 1300 1950 2182 3273 3900 4364 5455 6546 10910 13092 14183 16057 16365 21820 27275 28366 32114 32730 42549 48171 54550 56732 64228 65460 70915 80285 81825 85098 96342 109100 141830 160570 163650 170196 192684 208741 212745 240855 283660 321140 327300 354575 401425 417482 425490 481710 626223 709150 802850 834964 850980 963420 1043705 1063725 1204275 1252446 1418300 1605700 2087410 2127450 2408550 2504892 3131115 4174820 4254900 4817100 5218525 6262230 10437050 12524460 15655575 17518187 20874100 31311150 35036374 52554561 62622300 70072748 87590935 105109122 175181870 210218244 227736431 262772805 350363740 437954675 455472862 525545610 683209293 875909350 910945724 1051091220 1138682155 1313864025 1366418586 1751818700 2277364310 2627728050 2732837172 3416046465 4554728620 5255456100 5693410775 6832092930 11386821550 13664185860 17080232325 22773643100 34160464650 68320929300