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1241213301240 = 2335111259746873
BaseRepresentation
bin10010000011111110000…
…100111111000111111000
311101122210021210201212220
4102003332010333013320
5130314001101114430
62350112220404040
7155450264661153
oct22037604770770
94348707721786
101241213301240
11439439606330
1218067b9a6620
1390079b3aaa3
1444109cc8c9a
1522447e89110
hex120fe13f1f8

1241213301240 has 128 divisors (see below), whose sum is σ = 4065384556800. Its totient is φ = 300660792320.

The previous prime is 1241213301217. The next prime is 1241213301269. The reversal of 1241213301240 is 421033121421.

It is a super-2 number, since 2×12412133012402 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1241213301240.

It is a congruent 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, 1288444 + ... + 2035316.

It is an arithmetic number, because the mean of its divisors is an integer number (31760816850).

Almost surely, 21241213301240 is an apocalyptic number.

1241213301240 is a gapful number since it is divisible by the number (10) 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 1241213301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032692278400).

1241213301240 is an abundant number, since it is smaller than the sum of its proper divisors (2824171255560).

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

1241213301240 is a wasteful number, since it uses less digits than its factorization.

1241213301240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748157 (or 748153 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1241213301240 its reverse (421033121421), we get a palindrome (1662246422661).

The spelling of 1241213301240 in words is "one trillion, two hundred forty-one billion, two hundred thirteen million, three hundred one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1259 1320 2518 3777 5036 6295 7554 10072 12590 13849 15108 18885 25180 27698 30216 37770 41547 50360 55396 69245 75540 83094 110792 138490 151080 166188 207735 276980 332376 415470 553960 746873 830940 1493746 1661880 2240619 2987492 3734365 4481238 5974984 7468730 8215603 8962476 11203095 14937460 16431206 17924952 22406190 24646809 29874920 32862412 41078015 44812380 49293618 65724824 82156030 89624760 98587236 123234045 164312060 197174472 246468090 328624120 492936180 940313107 985872360 1880626214 2820939321 3761252428 4701565535 5641878642 7522504856 9403131070 10343444177 11283757284 14104696605 18806262140 20686888354 22567514568 28209393210 31030332531 37612524280 41373776708 51717220885 56418786420 62060665062 82747553416 103434441770 112837572840 124121330124 155151662655 206868883540 248242660248 310303325310 413737767080 620606650620 1241213301240