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23200302313 = 26986246477
BaseRepresentation
bin10101100110110110…
…001000010011101001
32012212212110110201001
4111212312020103221
5340003234133223
614354050555001
71450632213226
oct254666102351
965785413631
1023200302313
119925a69571
1245b5898a61
132259720c46
1411a134c94d
1590bbc89ad
hex566d884e9

23200302313 has 4 divisors (see below), whose sum is σ = 23286549060. Its totient is φ = 23114055568.

The previous prime is 23200302269. The next prime is 23200302341. The reversal of 23200302313 is 31320300232.

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 12654450064 + 10545852249 = 112492^2 + 102693^2 .

It is a cyclic number.

It is not a de Polignac number, because 23200302313 - 29 = 23200301801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23200302413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43122970 + ... + 43123507.

It is an arithmetic number, because the mean of its divisors is an integer number (5821637265).

Almost surely, 223200302313 is an apocalyptic number.

It is an amenable number.

23200302313 is a deficient number, since it is larger than the sum of its proper divisors (86246747).

23200302313 is an equidigital number, since it uses as much as digits as its factorization.

23200302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86246746.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23200302313 its reverse (31320300232), we get a palindrome (54520602545).

The spelling of 23200302313 in words is "twenty-three billion, two hundred million, three hundred two thousand, three hundred thirteen".

Divisors: 1 269 86246477 23200302313