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61332030633 = 320444010211
BaseRepresentation
bin111001000111101011…
…001000010010101001
312212022100000222021010
4321013223020102221
52001101444440013
644101530134133
74300602441636
oct710753102251
9185270028233
1061332030633
1124013372425
12ba77b81349
135a256cb4b3
142d7b75118d
1518de66d7c3
hexe47ac84a9

61332030633 has 4 divisors (see below), whose sum is σ = 81776040848. Its totient is φ = 40888020420.

The previous prime is 61332030593. The next prime is 61332030679. The reversal of 61332030633 is 33603023316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 61332030633 - 28 = 61332030377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61332030633.

It is not an unprimeable number, because it can be changed into a prime (61332030233) 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, 10222005103 + ... + 10222005108.

It is an arithmetic number, because the mean of its divisors is an integer number (20444010212).

Almost surely, 261332030633 is an apocalyptic number.

It is an amenable number.

61332030633 is a deficient number, since it is larger than the sum of its proper divisors (20444010215).

61332030633 is a wasteful number, since it uses less digits than its factorization.

61332030633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20444010214.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 61332030633 its reverse (33603023316), we get a palindrome (94935053949).

The spelling of 61332030633 in words is "sixty-one billion, three hundred thirty-two million, thirty thousand, six hundred thirty-three".

Divisors: 1 3 20444010211 61332030633