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30561540161452 = 22174110961814979
BaseRepresentation
bin1101111001011101010011…
…01111101011111110101100
311000012122200021120120210121
412330232221233223332230
513001210013240131302
6144555435553414324
76302666312121106
oct674565157537654
9130178607516717
1030561540161452
119813092757713
123517045b6a3a4
131408c3012b631
1477928781c576
1537ee9848de37
hex1bcba9bebfac

30561540161452 has 24 divisors (see below), whose sum is σ = 58009924874160. Its totient is φ = 14031123171840.

The previous prime is 30561540161443. The next prime is 30561540161479. The reversal of 30561540161452 is 25416104516503.

It is a junction number, because it is equal to n+sod(n) for n = 30561540161399 and 30561540161408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5480904702 + ... + 5480910277.

It is an arithmetic number, because the mean of its divisors is an integer number (2417080203090).

Almost surely, 230561540161452 is an apocalyptic number.

It is an amenable number.

30561540161452 is a deficient number, since it is larger than the sum of its proper divisors (27448384712708).

30561540161452 is a wasteful number, since it uses less digits than its factorization.

30561540161452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961815041 (or 10961815039 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

Adding to 30561540161452 its reverse (25416104516503), we get a palindrome (55977644677955).

The spelling of 30561540161452 in words is "thirty trillion, five hundred sixty-one billion, five hundred forty million, one hundred sixty-one thousand, four hundred fifty-two".

Divisors: 1 2 4 17 34 41 68 82 164 697 1394 2788 10961814979 21923629958 43847259916 186350854643 372701709286 449434414139 745403418572 898868828278 1797737656556 7640385040363 15280770080726 30561540161452