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1311445421060 = 225304139075519
BaseRepresentation
bin10011000101011000001…
…111010000110000000100
311122101001212221002021212
4103011120033100300010
5132441320011433220
62442245242430552
7163514561103035
oct23053017206004
94571055832255
101311445421060
114661a9829465
12192200502458
13968903a7538
144768d684a8c
15241a8b4b0c5
hex131583d0c04

1311445421060 has 48 divisors (see below), whose sum is σ = 2756145450240. Its totient is φ = 524176450560.

The previous prime is 1311445421053. The next prime is 1311445421081. The reversal of 1311445421060 is 601245441131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237620981 + ... + 237626499.

It is an arithmetic number, because the mean of its divisors is an integer number (57419696880).

Almost surely, 21311445421060 is an apocalyptic number.

1311445421060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311445421060 is an abundant number, since it is smaller than the sum of its proper divisors (1444700029180).

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

1311445421060 is a wasteful number, since it uses less digits than its factorization.

1311445421060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12476 (or 12474 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 1311445421060 in words is "one trillion, three hundred eleven billion, four hundred forty-five million, four hundred twenty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 3041 3907 5519 6082 7814 11038 12164 15205 15628 19535 22076 27595 30410 39070 55190 60820 78140 110380 11881187 16783279 21562733 23762374 33566558 43125466 47524748 59405935 67133116 83916395 86250932 107813665 118811870 167832790 215627330 237623740 335665580 431254660 65572271053 131144542106 262289084212 327861355265 655722710530 1311445421060