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61146300730 = 256114630073
BaseRepresentation
bin111000111100100110…
…101000000100111010
312211211101112220201211
4320330212220010322
52000211423110410
644031253233334
74263155660224
oct707446500472
9184741486654
1061146300730
1123a28546839
12ba2593284a
1359c609c548
142d60c05414
1518cd1d268a
hexe3c9a813a

61146300730 has 8 divisors (see below), whose sum is σ = 110063341332. Its totient is φ = 24458520288.

The previous prime is 61146300679. The next prime is 61146300737. The reversal of 61146300730 is 3700364116.

It can be written as a sum of positive squares in 2 ways, for example, as 57360729001 + 3785571729 = 239501^2 + 61527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61146300692 and 61146300701.

It is not an unprimeable number, because it can be changed into a prime (61146300737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057315027 + ... + 3057315046.

Almost surely, 261146300730 is an apocalyptic number.

61146300730 is a deficient number, since it is larger than the sum of its proper divisors (48917040602).

61146300730 is a wasteful number, since it uses less digits than its factorization.

61146300730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114630080.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 61146300730 its reverse (3700364116), we get a palindrome (64846664846).

The spelling of 61146300730 in words is "sixty-one billion, one hundred forty-six million, three hundred thousand, seven hundred thirty".

Divisors: 1 2 5 10 6114630073 12229260146 30573150365 61146300730