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30442231141 = 723189082181
BaseRepresentation
bin11100010110011111…
…111001010101100101
32220120120102120110021
4130112133321111211
5444321202344031
621552430355141
72125246460320
oct342637712545
986516376407
1030442231141
1111a01933913
125a9705bab1
132b41ba192a
14168b0837b7
15bd2880511
hex7167f9565

30442231141 has 8 divisors (see below), whose sum is σ = 36303778944. Its totient is φ = 24958847760.

The previous prime is 30442231133. The next prime is 30442231181. The reversal of 30442231141 is 14113224403.

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

It is not a de Polignac number, because 30442231141 - 23 = 30442231133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442231181) 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, 94540930 + ... + 94541251.

It is an arithmetic number, because the mean of its divisors is an integer number (4537972368).

Almost surely, 230442231141 is an apocalyptic number.

It is an amenable number.

30442231141 is a deficient number, since it is larger than the sum of its proper divisors (5861547803).

30442231141 is a wasteful number, since it uses less digits than its factorization.

30442231141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189082211.

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

Adding to 30442231141 its reverse (14113224403), we get a palindrome (44555455544).

The spelling of 30442231141 in words is "thirty billion, four hundred forty-two million, two hundred thirty-one thousand, one hundred forty-one".

Divisors: 1 7 23 161 189082181 1323575267 4348890163 30442231141