Search a number
-
+
30320000313121 = 611693778937693
BaseRepresentation
bin1101110010011011011001…
…10110010010011100100001
310222100120012221201222000001
412321031230312102130201
512433230330040004441
6144252452120300001
76246355605231421
oct671155466223441
9128316187658001
1030320000313121
11972a704810652
123498276911601
1313bc218a2515c
1476b6d2856481
15378a5d266731
hex1b936cd92721

30320000313121 has 16 divisors (see below), whose sum is σ = 30840029115280. Its totient is φ = 29800718449920.

The previous prime is 30320000313103. The next prime is 30320000313233. The reversal of 30320000313121 is 12131300002303.

It can be written as a sum of positive squares in 8 ways, for example, as 7155416351521 + 23164583961600 = 2674961^2 + 4812960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30320000313121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320000313721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804374551 + ... + 804412243.

It is an arithmetic number, because the mean of its divisors is an integer number (1927501819705).

Almost surely, 230320000313121 is an apocalyptic number.

It is an amenable number.

30320000313121 is a deficient number, since it is larger than the sum of its proper divisors (520028802159).

30320000313121 is a wasteful number, since it uses less digits than its factorization.

30320000313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47236.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30320000313121 its reverse (12131300002303), we get a palindrome (42451300315424).

The spelling of 30320000313121 in words is "thirty trillion, three hundred twenty billion, three hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 61 1693 7789 37693 103273 475129 2299273 13186777 63814249 293590777 804393397 3892669189 17909037397 497049185461 30320000313121