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30220313044240 = 24511471017234309
BaseRepresentation
bin1101101111100001101110…
…00001100010010100010000
310222000000220120120000012101
412313300313001202110100
512430112200114403430
6144135004204210144
76236226346355434
oct667606701422420
9128000816500171
1030220313044240
1196a13a9965020
123480a95839954
1313b29bcc50217
147669571609c4
15376176702dca
hex1b7c37062510

30220313044240 has 160 divisors (see below), whose sum is σ = 79055613688320. Its totient is φ = 10648901376000.

The previous prime is 30220313044199. The next prime is 30220313044291. The reversal of 30220313044240 is 4244031302203.

It is a junction number, because it is equal to n+sod(n) for n = 30220313044199 and 30220313044208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560206 + ... + 7794514.

It is an arithmetic number, because the mean of its divisors is an integer number (494097585552).

Almost surely, 230220313044240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30220313044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39527806844160).

30220313044240 is an abundant number, since it is smaller than the sum of its proper divisors (48835300644080).

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

30220313044240 is a wasteful number, since it uses less digits than its factorization.

30220313044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234481 (or 7234475 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30220313044240 its reverse (4244031302203), we get a palindrome (34464344346443).

The spelling of 30220313044240 in words is "thirty trillion, two hundred twenty billion, three hundred thirteen million, forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 47 55 80 88 94 101 110 176 188 202 220 235 376 404 440 470 505 517 752 808 880 940 1010 1034 1111 1616 1880 2020 2068 2222 2585 3760 4040 4136 4444 4747 5170 5555 8080 8272 8888 9494 10340 11110 17776 18988 20680 22220 23735 37976 41360 44440 47470 52217 75952 88880 94940 104434 189880 208868 261085 379760 417736 522170 835472 1044340 2088680 4177360 7234309 14468618 28937236 36171545 57874472 72343090 79577399 115748944 144686180 159154798 289372360 318309596 340012523 397886995 578744720 636619192 680025046 730665209 795773990 1273238384 1360050092 1461330418 1591547980 1700062615 2720100184 2922660836 3183095960 3400125230 3653326045 3740137753 5440200368 5845321672 6366191920 6800250460 7306652090 7480275506 8037317299 11690643344 13600500920 14613304180 14960551012 16074634598 18700688765 27201001840 29226608360 29921102024 32149269196 34341264823 37401377530 40186586495 58453216720 59842204048 64298538392 68682529646 74802755060 80373172990 128597076784 137365059292 149605510120 160746345980 171706324115 274730118584 299211020240 321492691960 343412648230 377753913053 549460237168 642985383920 686825296460 755507826106 1373650592920 1511015652212 1888769565265 2747301185840 3022031304424 3777539130530 6044062608848 7555078261060 15110156522120 30220313044240