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15300205636 = 2223226892
BaseRepresentation
bin11100011111111011…
…01001110001000100
31110111022000222101211
432033331221301010
5222313323040021
611010120301204
71051103413342
oct161775516104
943438028354
1015300205636
116541626a51
122b70011804
13159aab9621
14a5204c992
155e83643e1
hex38ff69c44

15300205636 has 27 divisors (see below), whose sum is σ = 28000533981. Its totient is φ = 7314768384.

The previous prime is 15300205633. The next prime is 15300205721. The reversal of 15300205636 is 63650200351.

The square root of 15300205636 is 123694.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 552532036 + 14747673600 = 23506^2 + 121440^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15300205598 and 15300205607.

It is not an unprimeable number, because it can be changed into a prime (15300205633) 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 8 ways as a sum of consecutive naturals, for example, 5688580 + ... + 5691268.

Almost surely, 215300205636 is an apocalyptic number.

15300205636 is the 123694-th square number.

It is an amenable number.

15300205636 is a deficient number, since it is larger than the sum of its proper divisors (12700328345).

15300205636 is an frugal number, since it uses more digits than its factorization.

15300205636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 15300205636 its reverse (63650200351), we get a palindrome (78950405987).

The spelling of 15300205636 in words is "fifteen billion, three hundred million, two hundred five thousand, six hundred thirty-six".

Divisors: 1 2 4 23 46 92 529 1058 2116 2689 5378 10756 61847 123694 247388 1422481 2844962 5689924 7230721 14461442 28922884 166306583 332613166 665226332 3825051409 7650102818 15300205636