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11205100244240 = 245720009107579
BaseRepresentation
bin1010001100001110010000…
…0001010000110100010000
31110200012022200221121121122
42203003210001100310100
52432041021130303430
635455315121341412
72234353554405140
oct243034401206420
943605280847548
1011205100244240
113630068a760a1
12130b759497868
1363383729c816
142aa488b70920
1514670c786ee5
hexa30e4050d10

11205100244240 has 40 divisors (see below), whose sum is σ = 29773552079040. Its totient is φ = 3841748654976.

The previous prime is 11205100244213. The next prime is 11205100244249. The reversal of 11205100244240 is 4244200150211.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (11205100244249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10004553230 + ... + 10004554349.

It is an arithmetic number, because the mean of its divisors is an integer number (744338801976).

Almost surely, 211205100244240 is an apocalyptic number.

11205100244240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11205100244240 is an abundant number, since it is smaller than the sum of its proper divisors (18568451834800).

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

11205100244240 is a wasteful number, since it uses less digits than its factorization.

11205100244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20009107599 (or 20009107593 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 11205100244240 its reverse (4244200150211), we get a palindrome (15449300394451).

The spelling of 11205100244240 in words is "eleven trillion, two hundred five billion, one hundred million, two hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 20009107579 40018215158 80036430316 100045537895 140063753053 160072860632 200091075790 280127506106 320145721264 400182151580 560255012212 700318765265 800364303160 1120510024424 1400637530530 1600728606320 2241020048848 2801275061060 5602550122120 11205100244240