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30141432241 = 67449872123
BaseRepresentation
bin11100000100100100…
…011100000110110001
32212210121102101221021
4130010210130012301
5443212201312431
621502523255441
72114634642514
oct340444340661
985717371837
1030141432241
1111868064188
125a1237a581
132ac478430b
14165d142d7b
15bb6264b11
hex70491c1b1

30141432241 has 4 divisors (see below), whose sum is σ = 30591304432. Its totient is φ = 29691560052.

The previous prime is 30141432221. The next prime is 30141432281. The reversal of 30141432241 is 14223414103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14223414103 = 61233170723.

It is a cyclic number.

It is not a de Polignac number, because 30141432241 - 215 = 30141399473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30141432221) 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, 224935995 + ... + 224936128.

It is an arithmetic number, because the mean of its divisors is an integer number (7647826108).

Almost surely, 230141432241 is an apocalyptic number.

It is an amenable number.

30141432241 is a deficient number, since it is larger than the sum of its proper divisors (449872191).

30141432241 is an equidigital number, since it uses as much as digits as its factorization.

30141432241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449872190.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 30141432241 its reverse (14223414103), we get a palindrome (44364846344).

The spelling of 30141432241 in words is "thirty billion, one hundred forty-one million, four hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 67 449872123 30141432241