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13155241210245 = 3356710717975937
BaseRepresentation
bin1011111101101111000101…
…1110101011000110000101
31201120121222101020002222000
42333123301132223012011
53211013413222211440
643551233454255513
72525302066203111
oct277336136530605
951517871202860
1013155241210245
114212119785762
1215856a77b7599
137456c304c0c4
14336a07906741
1517c2e8467730
hexbf6f17ab185

13155241210245 has 128 divisors (see below), whose sum is σ = 24092150630400. Its totient is φ = 6808477648896.

The previous prime is 13155241210217. The next prime is 13155241210249. The reversal of 13155241210245 is 54201214255131.

13155241210245 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 524 + 121 + 0 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 13155241210245 - 27 = 13155241210117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155241210249) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 173200917 + ... + 173276853.

It is an arithmetic number, because the mean of its divisors is an integer number (188219926800).

Almost surely, 213155241210245 is an apocalyptic number.

13155241210245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13155241210245 is a deficient number, since it is larger than the sum of its proper divisors (10936909420155).

13155241210245 is a wasteful number, since it uses less digits than its factorization.

13155241210245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76304 (or 76298 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 13155241210245 its reverse (54201214255131), we get a palindrome (67356455465376).

The spelling of 13155241210245 in words is "thirteen trillion, one hundred fifty-five billion, two hundred forty-one million, two hundred ten thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 67 107 135 179 201 321 335 535 537 603 895 963 1005 1605 1611 1809 2685 2889 3015 4815 4833 7169 8055 9045 11993 14445 19153 21507 24165 35845 35979 57459 59965 64521 75937 95765 107535 107937 172377 179895 193563 227811 287295 322605 323811 379685 517131 539685 683433 861885 967815 1139055 1283251 1619055 2050299 2585655 3417165 3849753 5087779 6416255 8125259 10251495 11549259 13592723 15263337 19248765 24375777 25438895 34647777 40626295 40778169 45790011 57746295 67963615 73127331 76316685 121878885 122334507 137370033 173238885 203890845 219381993 228950055 365636655 367003521 544392353 611672535 686850165 910712441 1096909965 1454421361 1633177059 1835017605 2721961765 2732137323 4363264083 4553562205 4899531177 7272106805 8165885295 8196411969 13089792249 13660686615 14698593531 21816320415 24497655885 24589235907 39269376747 40982059845 65448961245 73492967655 97446231187 122946179535 196346883735 292338693561 487231155935 877016080683 1461693467805 2631048242049 4385080403415 13155241210245