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445745642474605 = 511411453193370379
BaseRepresentation
bin110010101011001110011111…
…0101011100000110001101101
32011110020212102020011121010211
41211112130332223200301231
5431411044033433141410
64220004415441502421
7162614026361145034
oct14526347653406155
92143225366147124
10445745642474605
1111a034735680610
1241bb05a9941a11
13161948313a5415
147c102c04c171b
15367ed0167068a
hex195673eae0c6d

445745642474605 has 64 divisors (see below), whose sum is σ = 598483147288320. Its totient is φ = 315886191667200.

The previous prime is 445745642474603. The next prime is 445745642474611. The reversal of 445745642474605 is 506474246547544.

It is not a de Polignac number, because 445745642474605 - 21 = 445745642474603 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445745642474603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6333468306 + ... + 6333538684.

It is an arithmetic number, because the mean of its divisors is an integer number (9351299176380).

Almost surely, 2445745642474605 is an apocalyptic number.

It is an amenable number.

445745642474605 is a deficient number, since it is larger than the sum of its proper divisors (152737504813715).

445745642474605 is a wasteful number, since it uses less digits than its factorization.

445745642474605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73822.

The product of its (nonzero) digits is 1806336000, while the sum is 67.

The spelling of 445745642474605 in words is "four hundred forty-five trillion, seven hundred forty-five billion, six hundred forty-two million, four hundred seventy-four thousand, six hundred five".

Divisors: 1 5 11 41 55 205 451 1453 1933 2255 7265 9665 15983 21263 59573 70379 79253 79915 106315 297865 351895 396265 655303 774169 871783 2808649 2885539 3276515 3870845 4358915 14043245 14427695 30895139 31740929 102260687 115154609 136042607 154475695 158704645 511303435 575773045 680213035 1124867557 1266700699 1496468677 4192688167 5577746887 5624337785 6333503495 7482343385 20963440835 27888734435 46119569837 61355215757 197669907971 230597849185 306776078785 988349539855 2174368987681 8104466226811 10871844938405 40522331134055 89149128494921 445745642474605