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30321130424149 = 268331129994053
BaseRepresentation
bin1101110010011101100000…
…01101010100011101010101
310222100200010201020112220001
412321032300031110131111
512433240133342033044
6144253200210411301
76246425610064645
oct671166015243525
9128320121215801
1030321130424149
119730134721804
123498531290b31
1313bc368bb94c6
1476b79c992525
15378ac75992d4
hex1b93b0354755

30321130424149 has 4 divisors (see below), whose sum is σ = 30322260445036. Its totient is φ = 30320000403264.

The previous prime is 30321130424111. The next prime is 30321130424161. The reversal of 30321130424149 is 94142403112303.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7549690428900 + 22771439995249 = 2747670^2 + 4771943^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321130424149 - 27 = 30321130424021 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 (30321130421149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564970194 + ... + 565023859.

It is an arithmetic number, because the mean of its divisors is an integer number (7580565111259).

Almost surely, 230321130424149 is an apocalyptic number.

It is an amenable number.

30321130424149 is a deficient number, since it is larger than the sum of its proper divisors (1130020887).

30321130424149 is a wasteful number, since it uses less digits than its factorization.

30321130424149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130020886.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 30321130424149 in words is "thirty trillion, three hundred twenty-one billion, one hundred thirty million, four hundred twenty-four thousand, one hundred forty-nine".

Divisors: 1 26833 1129994053 30321130424149