Search a number
-
+
30233256241 = 53613930569
BaseRepresentation
bin11100001010000010…
…101110000100110001
32220001000012112210011
4130022002232010301
5443404203144431
621520003334521
72120131303126
oct341202560461
986030175704
1030233256241
1111904980991
125a39081441
132b0a7c4546
14166b40674d
15bbe351cb1
hex70a0ae131

30233256241 has 8 divisors (see below), whose sum is σ = 30853978920. Its totient is φ = 29614396032.

The previous prime is 30233256169. The next prime is 30233256253. The reversal of 30233256241 is 14265233203.

It can be written as a sum of positive squares in 4 ways, for example, as 129618225 + 30103638016 = 11385^2 + 173504^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30233256241 - 27 = 30233256113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30233256041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432796 + ... + 497773.

It is an arithmetic number, because the mean of its divisors is an integer number (3856747365).

Almost surely, 230233256241 is an apocalyptic number.

It is an amenable number.

30233256241 is a deficient number, since it is larger than the sum of its proper divisors (620722679).

30233256241 is an equidigital number, since it uses as much as digits as its factorization.

30233256241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931235.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 30233256241 its reverse (14265233203), we get a palindrome (44498489444).

The spelling of 30233256241 in words is "thirty billion, two hundred thirty-three million, two hundred fifty-six thousand, two hundred forty-one".

Divisors: 1 53 613 32489 930569 49320157 570438797 30233256241