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61444042624330 = 2517361435544849
BaseRepresentation
bin11011111100010000011100…
…10101011000110101001010
322001112222210222100102222121
431332020032111120311022
531023144344402434310
6334403000431241454
715641120440631152
oct1576101625306512
9261488728312877
1061444042624330
111863a2aa244983
126a8432567928a
1328391c0c31502
141125c9c39b762
1571847958e0da
hex37e20e558d4a

61444042624330 has 16 divisors (see below), whose sum is σ = 117105116531400. Its totient is φ = 23131874870272.

The previous prime is 61444042624291. The next prime is 61444042624331. The reversal of 61444042624330 is 3342624044416.

61444042624330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57155096889801 + 4288945734529 = 7560099^2 + 2070977^2 .

It is not an unprimeable number, because it can be changed into a prime (61444042624331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180717772255 + ... + 180717772594.

Almost surely, 261444042624330 is an apocalyptic number.

61444042624330 is a deficient number, since it is larger than the sum of its proper divisors (55661073907070).

61444042624330 is a wasteful number, since it uses less digits than its factorization.

61444042624330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361435544873.

The product of its (nonzero) digits is 1327104, while the sum is 43.

Adding to 61444042624330 its reverse (3342624044416), we get a palindrome (64786666668746).

The spelling of 61444042624330 in words is "sixty-one trillion, four hundred forty-four billion, forty-two million, six hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 361435544849 722871089698 1807177724245 3614355448490 6144404262433 12288808524866 30722021312165 61444042624330