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20300210313 = 361503220537
BaseRepresentation
bin10010111001111111…
…001010000010001001
31221101202102112101020
4102321333022002021
5313033323212223
613154211543053
71316025640425
oct227177120211
957352375336
1020300210313
118677a37519
123b265baa89
131bb694a386
14da8111b85
157dc2bc1e3
hex4b9fca089

20300210313 has 16 divisors (see below), whose sum is σ = 27565485696. Its totient is φ = 13285088640.

The previous prime is 20300210311. The next prime is 20300210347. The reversal of 20300210313 is 31301200302.

It is not a de Polignac number, because 20300210313 - 21 = 20300210311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20300210292 and 20300210301.

It is not an unprimeable number, because it can be changed into a prime (20300210311) 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 15 ways as a sum of consecutive naturals, for example, 18220 + ... + 202317.

It is an arithmetic number, because the mean of its divisors is an integer number (1722842856).

Almost surely, 220300210313 is an apocalyptic number.

It is an amenable number.

20300210313 is a deficient number, since it is larger than the sum of its proper divisors (7265275383).

20300210313 is a wasteful number, since it uses less digits than its factorization.

20300210313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221104.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20300210313 its reverse (31301200302), we get a palindrome (51601410615).

The spelling of 20300210313 in words is "twenty billion, three hundred million, two hundred ten thousand, three hundred thirteen".

Divisors: 1 3 61 183 503 1509 30683 92049 220537 661611 13452757 40358271 110930111 332790333 6766736771 20300210313