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30432230561 is a prime number
BaseRepresentation
bin11100010101111001…
…101111110010100001
32220112212121111020102
4130111321233302201
5444311122334221
621551432152145
72125065456155
oct342571576241
986485544212
1030432230561
11119a7223277
125a93838655
132b3caaca25
1416899dd065
15bd1a5730b
hex715e6fca1

30432230561 has 2 divisors, whose sum is σ = 30432230562. Its totient is φ = 30432230560.

The previous prime is 30432230407. The next prime is 30432230579. The reversal of 30432230561 is 16503223403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28520792161 + 1911438400 = 168881^2 + 43720^2 .

It is a cyclic number.

It is not a de Polignac number, because 30432230561 - 218 = 30431968417 is a prime.

It is a super-2 number, since 2×304322305612 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30432230581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15216115280 + 15216115281.

It is an arithmetic number, because the mean of its divisors is an integer number (15216115281).

Almost surely, 230432230561 is an apocalyptic number.

It is an amenable number.

30432230561 is a deficient number, since it is larger than the sum of its proper divisors (1).

30432230561 is an equidigital number, since it uses as much as digits as its factorization.

30432230561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 30432230561 its reverse (16503223403), we get a palindrome (46935453964).

The spelling of 30432230561 in words is "thirty billion, four hundred thirty-two million, two hundred thirty thousand, five hundred sixty-one".