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30232152481 is a prime number
BaseRepresentation
bin11100001001111110…
…100000100110100001
32220000221010110201011
4130021332200212201
5443403412334411
621515523540521
72120116025146
oct341176404641
986027113634
1030232152481
1111904297693
125a3882a741
132b0a4c902b
14166b1da3cd
15bbe1d4c21
hex709fa09a1

30232152481 has 2 divisors, whose sum is σ = 30232152482. Its totient is φ = 30232152480.

The previous prime is 30232152443. The next prime is 30232152497. The reversal of 30232152481 is 18425123203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30053689600 + 178462881 = 173360^2 + 13359^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232152481 - 211 = 30232150433 is a prime.

It is a super-2 number, since 2×302321524812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30232153481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116076240 + 15116076241.

It is an arithmetic number, because the mean of its divisors is an integer number (15116076241).

Almost surely, 230232152481 is an apocalyptic number.

It is an amenable number.

30232152481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232152481 is an equidigital number, since it uses as much as digits as its factorization.

30232152481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 30232152481 its reverse (18425123203), we get a palindrome (48657275684).

The spelling of 30232152481 in words is "thirty billion, two hundred thirty-two million, one hundred fifty-two thousand, four hundred eighty-one".