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13139531930305 = 511976067405949
BaseRepresentation
bin1011111100110100100100…
…1000100001101011000001
31201112010102120110000010001
42333031021020201223001
53210234230133232210
643540115002040001
72524204564422124
oct277151110415301
951463376400101
1013139531930305
114206498256180
1215826427a9001
1374408b594aa1
14335d574103bb
1517bbc924b03a
hexbf349221ac1

13139531930305 has 32 divisors (see below), whose sum is σ = 17381077257600. Its totient is φ = 9455925381120.

The previous prime is 13139531930249. The next prime is 13139531930321. The reversal of 13139531930305 is 50303913593131.

It is not a de Polignac number, because 13139531930305 - 27 = 13139531930177 is a prime.

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, 32164471 + ... + 32570419.

It is an arithmetic number, because the mean of its divisors is an integer number (543158664300).

Almost surely, 213139531930305 is an apocalyptic number.

It is an amenable number.

13139531930305 is a deficient number, since it is larger than the sum of its proper divisors (4241545327295).

13139531930305 is a wasteful number, since it uses less digits than its factorization.

13139531930305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412129.

The product of its (nonzero) digits is 492075, while the sum is 46.

The spelling of 13139531930305 in words is "thirteen trillion, one hundred thirty-nine billion, five hundred thirty-one million, nine hundred thirty thousand, three hundred five".

Divisors: 1 5 11 55 97 485 1067 5335 6067 30335 66737 333685 405949 588499 2029745 2942495 4465439 6473489 22327195 32367445 39377053 196885265 433147583 2165737915 2462892583 12314462915 27091818413 135459092065 238900580551 1194502902755 2627906386061 13139531930305