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1030412321 = 3672807663
BaseRepresentation
bin111101011010101…
…101100000100001
32122210220100222022
4331122231200201
54102241143241
6250125151225
734351234361
oct7532554041
92583810868
101030412321
11489706034
122490bb515
13135627a43
149abc69a1
15606dc54b
hex3d6ad821

1030412321 has 4 divisors (see below), whose sum is σ = 1033220352. Its totient is φ = 1027604292.

The previous prime is 1030412303. The next prime is 1030412329. The reversal of 1030412321 is 1232140301.

1030412321 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1030412321 - 214 = 1030395937 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 1030412321.

It is not an unprimeable number, because it can be changed into a prime (1030412329) 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, 1403465 + ... + 1404198.

It is an arithmetic number, because the mean of its divisors is an integer number (258305088).

Almost surely, 21030412321 is an apocalyptic number.

It is an amenable number.

1030412321 is a deficient number, since it is larger than the sum of its proper divisors (2808031).

1030412321 is an equidigital number, since it uses as much as digits as its factorization.

1030412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808030.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1030412321 is about 32100.0361526276. The cubic root of 1030412321 is about 1010.0363745355.

Adding to 1030412321 its reverse (1232140301), we get a palindrome (2262552622).

The spelling of 1030412321 in words is "one billion, thirty million, four hundred twelve thousand, three hundred twenty-one".

Divisors: 1 367 2807663 1030412321