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30231321202 = 215796278093
BaseRepresentation
bin11100001001111011…
…010101101001110010
32220000212120020102001
4130021323111221302
5443403204234302
621515454044214
72120105663455
oct341173255162
986025506361
1030231321202
111190387a085
125a384a966a
132b0a297854
14166b06149c
15bbe0bd787
hex709ed5a72

30231321202 has 8 divisors (see below), whose sum is σ = 45635816556. Its totient is φ = 15019382352.

The previous prime is 30231321193. The next prime is 30231321203. The reversal of 30231321202 is 20212313203.

It can be written as a sum of positive squares in 2 ways, for example, as 24114673521 + 6116647681 = 155289^2 + 78209^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 30231321202.

It is not an unprimeable number, because it can be changed into a prime (30231321203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48138733 + ... + 48139360.

Almost surely, 230231321202 is an apocalyptic number.

30231321202 is a deficient number, since it is larger than the sum of its proper divisors (15404495354).

30231321202 is a wasteful number, since it uses less digits than its factorization.

30231321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96278252.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30231321202 its reverse (20212313203), we get a palindrome (50443634405).

The spelling of 30231321202 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred two".

Divisors: 1 2 157 314 96278093 192556186 15115660601 30231321202