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61085211741 = 326787245749
BaseRepresentation
bin111000111000111101…
…100101110001011101
312211200010121021101200
4320320331211301131
52000100303233431
644021232030113
74261514506221
oct707075456135
9184603537350
1061085211741
11239a7011774
12ba09392339
1359b6530a08
142d56a62781
1518c7b66ee6
hexe38f65c5d

61085211741 has 6 divisors (see below), whose sum is σ = 88234194750. Its totient is φ = 40723474488.

The previous prime is 61085211727. The next prime is 61085211743. The reversal of 61085211741 is 14711258016.

61085211741 is a `hidden beast` number, since 61 + 0 + 8 + 521 + 1 + 74 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42115658841 + 18969552900 = 205221^2 + 137730^2 .

It is not a de Polignac number, because 61085211741 - 213 = 61085203549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61085211696 and 61085211705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61085211743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3393622866 + ... + 3393622883.

It is an arithmetic number, because the mean of its divisors is an integer number (14705699125).

Almost surely, 261085211741 is an apocalyptic number.

It is an amenable number.

61085211741 is a deficient number, since it is larger than the sum of its proper divisors (27148983009).

61085211741 is a wasteful number, since it uses less digits than its factorization.

61085211741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787245755 (or 6787245752 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

Adding to 61085211741 its reverse (14711258016), we get a palindrome (75796469757).

The spelling of 61085211741 in words is "sixty-one billion, eighty-five million, two hundred eleven thousand, seven hundred forty-one".

Divisors: 1 3 9 6787245749 20361737247 61085211741