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1030050061 = 7309140929
BaseRepresentation
bin111101011001010…
…101000100001101
32122210012222001021
4331121111010031
54102143100221
6250113314141
734345165255
oct7531250415
92583188037
101030050061
11489488947
12248b65951
1313552bba1
149ab30965
156066a041
hex3d65510d

1030050061 has 4 divisors (see below), whose sum is σ = 1030198300. Its totient is φ = 1029901824.

The previous prime is 1030050053. The next prime is 1030050107. The reversal of 1030050061 is 1600500301.

1030050061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1600500301 = 10914683489.

It can be written as a sum of positive squares in 2 ways, for example, as 472192900 + 557857161 = 21730^2 + 23619^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030050061 - 23 = 1030050053 is a prime.

It is a super-2 number, since 2×10300500612 = 2122006256332207442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030050001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63156 + ... + 77773.

It is an arithmetic number, because the mean of its divisors is an integer number (257549575).

Almost surely, 21030050061 is an apocalyptic number.

It is an amenable number.

1030050061 is a deficient number, since it is larger than the sum of its proper divisors (148239).

1030050061 is an equidigital number, since it uses as much as digits as its factorization.

1030050061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148238.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1030050061 is about 32094.3929838220. The cubic root of 1030050061 is about 1009.9179951719.

Adding to 1030050061 its reverse (1600500301), we get a palindrome (2630550362).

The spelling of 1030050061 in words is "one billion, thirty million, fifty thousand, sixty-one".

Divisors: 1 7309 140929 1030050061