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242552132240 = 245112313787473
BaseRepresentation
bin1110000111100100111…
…0111101001010010000
3212012001212121222021012
43201321032331022100
512433221321212430
6303232113550052
723344445051405
oct3417116751220
9765055558235
10242552132240
119395839aa40
123b012275328
1319b46054952
14ba4d5d02ac
156499033695
hex38793bd290

242552132240 has 160 divisors (see below), whose sum is σ = 646641398016. Its totient is φ = 83749191680.

The previous prime is 242552132231. The next prime is 242552132269. The reversal of 242552132240 is 42231255242.

242552132240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242552132197 and 242552132206.

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 31 ways as a sum of consecutive naturals, for example, 2729144 + ... + 2816616.

Almost surely, 2242552132240 is an apocalyptic number.

242552132240 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 242552132240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323320699008).

242552132240 is an abundant number, since it is smaller than the sum of its proper divisors (404089265776).

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

242552132240 is a wasteful number, since it uses less digits than its factorization.

242552132240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87657 (or 87651 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 242552132240 its reverse (42231255242), we get a palindrome (284783387482).

The spelling of 242552132240 in words is "two hundred forty-two billion, five hundred fifty-two million, one hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 23 40 44 46 55 80 88 92 110 115 137 176 184 220 230 253 274 368 440 460 506 548 685 880 920 1012 1096 1265 1370 1507 1840 2024 2192 2530 2740 3014 3151 4048 5060 5480 6028 6302 7535 10120 10960 12056 12604 15070 15755 20240 24112 25208 30140 31510 34661 50416 60280 63020 69322 87473 120560 126040 138644 173305 174946 252080 277288 346610 349892 437365 554576 693220 699784 874730 962203 1386440 1399568 1749460 1924406 2011879 2772880 3498920 3848812 4023758 4811015 6997840 7697624 8047516 9622030 10059395 11983801 15395248 16095032 19244060 20118790 22130669 23967602 32190064 38488120 40237580 44261338 47935204 59919005 76976240 80475160 88522676 95870408 110653345 119838010 131821811 160950320 177045352 191740816 221306690 239676020 263643622 275627423 354090704 442613380 479352040 527287244 551254846 659109055 885226760 958704080 1054574488 1102509692 1318218110 1378137115 1770453520 2109148976 2205019384 2636436220 2756274230 3031901653 4410038768 5272872440 5512548460 6063803306 10545744880 11025096920 12127606612 15159508265 22050193840 24255213224 30319016530 48510426448 60638033060 121276066120 242552132240