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243110230120 = 235372713111949
BaseRepresentation
bin1110001001101001111…
…1111011100001101000
3212020111202210021122001
43202122133323201220
512440342204330440
6303403331540344
723364332601052
oct3423237734150
9766452707561
10243110230120
119411442915a
123b14915a6b4
1319c0486bc94
14baa378a8d2
1564cd025b9a
hex389a7fb868

243110230120 has 128 divisors (see below), whose sum is σ = 565958016000. Its totient is φ = 93915417600.

The previous prime is 243110230061. The next prime is 243110230151. The reversal of 243110230120 is 21032011342.

It is a happy number.

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, 124734906 + ... + 124736854.

It is an arithmetic number, because the mean of its divisors is an integer number (4421547000).

Almost surely, 2243110230120 is an apocalyptic number.

243110230120 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 243110230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282979008000).

243110230120 is an abundant number, since it is smaller than the sum of its proper divisors (322847785880).

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

243110230120 is a wasteful number, since it uses less digits than its factorization.

243110230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 243110230120 its reverse (21032011342), we get a palindrome (264142241462).

The spelling of 243110230120 in words is "two hundred forty-three billion, one hundred ten million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 271 296 311 370 542 622 740 1084 1244 1355 1480 1555 1949 2168 2488 2710 3110 3898 5420 6220 7796 9745 10027 10840 11507 12440 15592 19490 20054 23014 38980 40108 46028 50135 57535 72113 77960 80216 84281 92056 100270 115070 144226 168562 200540 230140 288452 337124 360565 401080 421405 460280 528179 576904 606139 674248 721130 842810 1056358 1212278 1442260 1685620 2112716 2424556 2640895 2884520 3030695 3118397 3371240 4225432 4849112 5281790 6061390 6236794 10563580 12122780 12473588 15591985 19542623 21127160 22427143 24245560 24947176 31183970 39085246 44854286 62367940 78170492 89708572 97713115 112135715 124735880 156340984 164263669 179417144 195426230 224271430 328527338 390852460 448542860 657054676 781704920 821318345 897085720 1314109352 1642636690 3285273380 6077755753 6570546760 12155511506 24311023012 30388778765 48622046024 60777557530 121555115060 243110230120