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61145564455341 = 3316734493931801
BaseRepresentation
bin11011110011100100011111…
…01001100010000110101101
322000111110101112000102221000
431321302033221202012231
531003302104000032331
6334013515020230513
715610423042226562
oct1571621751420655
9260443345012830
1061145564455341
1118534763089863
126a3650599b439
132817004499832
141115665402869
1571080a7dd0e6
hex379c8fa621ad

61145564455341 has 32 divisors (see below), whose sum is σ = 91154897568000. Its totient is φ = 40507857043200.

The previous prime is 61145564455307. The next prime is 61145564455357. The reversal of 61145564455341 is 14355446554116.

61145564455341 is a `hidden beast` number, since 6 + 1 + 1 + 4 + 5 + 5 + 6 + 44 + 553 + 41 = 666.

It is not a de Polignac number, because 61145564455341 - 221 = 61145562358189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61145564445341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13585641 + ... + 17517441.

It is an arithmetic number, because the mean of its divisors is an integer number (2848590549000).

Almost surely, 261145564455341 is an apocalyptic number.

It is an amenable number.

61145564455341 is a deficient number, since it is larger than the sum of its proper divisors (30009333112659).

61145564455341 is a wasteful number, since it uses less digits than its factorization.

61145564455341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935426 (or 3935420 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 54.

The spelling of 61145564455341 in words is "sixty-one trillion, one hundred forty-five billion, five hundred sixty-four million, four hundred fifty-five thousand, three hundred forty-one".

Divisors: 1 3 9 27 167 501 1503 3449 4509 10347 31041 93123 575983 1727949 3931801 5183847 11795403 15551541 35386209 106158627 656610767 1969832301 5909496903 13560781649 17728490709 40682344947 122047034841 366141104523 2264650535383 6793951606149 20381854818447 61145564455341