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242777347223340 = 223589223920305459
BaseRepresentation
bin110111001100111000000001…
…100010100110111100101100
31011211121021202202100101010110
4313030320001202212330230
5223310131001342121330
62220202212411340020
7102065040662302656
oct6714700142467454
91154537682311113
10242777347223340
11703a1327351576
122328ba62451610
13a560a61bcb5c7
1443d46b45ad6d6
151d102e14a6db0
hexdcce018a6f2c

242777347223340 has 96 divisors (see below), whose sum is σ = 687721563648000. Its totient is φ = 63984609925632.

The previous prime is 242777347223309. The next prime is 242777347223401. The reversal of 242777347223340 is 43322743777242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1803531 + ... + 22108989.

It is an arithmetic number, because the mean of its divisors is an integer number (7163766288000).

Almost surely, 2242777347223340 is an apocalyptic number.

242777347223340 is a gapful number since it is divisible by the number (20) 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 242777347223340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343860781824000).

242777347223340 is an abundant number, since it is smaller than the sum of its proper divisors (444944216424660).

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

242777347223340 is a wasteful number, since it uses less digits than its factorization.

242777347223340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20307799 (or 20307797 counting only the distinct ones).

The product of its (nonzero) digits is 66382848, while the sum is 57.

The spelling of 242777347223340 in words is "two hundred forty-two trillion, seven hundred seventy-seven billion, three hundred forty-seven million, two hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2239 2670 4478 5340 6717 8956 11195 13434 22390 26868 33585 44780 67170 134340 199271 398542 597813 797084 996355 1195626 1992710 2391252 2989065 3985420 5978130 11956260 20305459 40610918 60916377 81221836 101527295 121832754 203054590 243665508 304581885 406109180 609163770 1218327540 1807185851 3614371702 5421557553 7228743404 9035929255 10843115106 18071858510 21686230212 27107787765 36143717020 45463922701 54215575530 90927845402 108431151060 136391768103 181855690804 227319613505 272783536206 454639227010 545567072412 681958840515 909278454020 1363917681030 2727835362060 4046289120389 8092578240778 12138867361167 16185156481556 20231445601945 24277734722334 40462891203890 48555469444668 60694336805835 80925782407780 121388673611670 242777347223340