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20302132315 = 523176540281
BaseRepresentation
bin10010111010000110…
…011111010001011011
31221101220001011212111
4102322012133101123
5313034321213230
613154321053151
71316051164063
oct227206372133
957356034774
1020302132315
11867902a553
123b271871b7
131bb717115a
14da84923a3
157dc54b92a
hex4ba19f45b

20302132315 has 8 divisors (see below), whose sum is σ = 25421800608. Its totient is φ = 15535544640.

The previous prime is 20302132307. The next prime is 20302132363. The reversal of 20302132315 is 51323120302.

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

It is not a de Polignac number, because 20302132315 - 23 = 20302132307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 88270026 + ... + 88270255.

It is an arithmetic number, because the mean of its divisors is an integer number (3177725076).

Almost surely, 220302132315 is an apocalyptic number.

20302132315 is a deficient number, since it is larger than the sum of its proper divisors (5119668293).

20302132315 is a wasteful number, since it uses less digits than its factorization.

20302132315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176540309.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20302132315 its reverse (51323120302), we get a palindrome (71625252617).

The spelling of 20302132315 in words is "twenty billion, three hundred two million, one hundred thirty-two thousand, three hundred fifteen".

Divisors: 1 5 23 115 176540281 882701405 4060426463 20302132315