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30232010101 = 30689985109
BaseRepresentation
bin11100001001111101…
…111101110101110101
32220000220212020101211
4130021331331311311
5443403343310401
621515520521421
72120114563066
oct341175756565
986026766354
1030232010101
11119041aa717
125a38780271
132b0a479297
14166b1a056d
15bbe1a7951
hex709f7dd75

30232010101 has 4 divisors (see below), whose sum is σ = 30233025900. Its totient is φ = 30230994304.

The previous prime is 30232010099. The next prime is 30232010147. The reversal of 30232010101 is 10101023203.

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 29377617201 + 854392900 = 171399^2 + 29230^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232010101 - 21 = 30232010099 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 (30232010201) 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, 461866 + ... + 523243.

It is an arithmetic number, because the mean of its divisors is an integer number (7558256475).

Almost surely, 230232010101 is an apocalyptic number.

It is an amenable number.

30232010101 is a deficient number, since it is larger than the sum of its proper divisors (1015799).

30232010101 is an equidigital number, since it uses as much as digits as its factorization.

30232010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015798.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30232010101 its reverse (10101023203), we get a palindrome (40333033304).

The spelling of 30232010101 in words is "thirty billion, two hundred thirty-two million, ten thousand, one hundred one".

Divisors: 1 30689 985109 30232010101