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61595483261841 = 362906772
BaseRepresentation
bin11100000000101010100001…
…11001100100101110010001
322002002110201010121221000000
432000111100321210232101
531033140022203334331
6335000324021520213
715655061332046604
oct1600252071445621
9262073633557000
1061595483261841
1118698552568341
126aa974a873069
13284a576aba1a9
14112d3471dc33b
1571c38e88e0e6
hex380550e64b91

61595483261841 has 21 divisors (see below), whose sum is σ = 92351296044651. Its totient is φ = 41063514238872.

The previous prime is 61595483261839. The next prime is 61595483261863. The reversal of 61595483261841 is 14816238459516.

It is a happy number.

The square root of 61595483261841 is 7848279.

It is a perfect power (a square), and thus also a powerful number.

61595483261841 is a `hidden beast` number, since 6 + 1 + 5 + 9 + 5 + 4 + 8 + 3 + 2 + 618 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44852688756225 + 16742794505616 = 6697215^2 + 4091796^2 .

It is not a de Polignac number, because 61595483261841 - 21 = 61595483261839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61595483261821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 211758195 + ... + 212048871.

It is an arithmetic number, because the mean of its divisors is an integer number (4397680764031).

Almost surely, 261595483261841 is an apocalyptic number.

61595483261841 is the 7848279-th square number.

61595483261841 is the 3924140-th centered octagonal number.

It is an amenable number.

61595483261841 is a deficient number, since it is larger than the sum of its proper divisors (30755812782810).

61595483261841 is an frugal number, since it uses more digits than its factorization.

61595483261841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581372 (or 290680 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 61595483261841 in words is "sixty-one trillion, five hundred ninety-five billion, four hundred eighty-three million, two hundred sixty-one thousand, eight hundred forty-one".

Divisors: 1 3 9 27 81 243 729 290677 872031 2616093 7848279 23544837 70634511 211903533 84493118329 253479354987 760438064961 2281314194883 6843942584649 20531827753947 61595483261841