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20302141295 = 56346763977
BaseRepresentation
bin10010111010000110…
…100001011101101111
31221101220001122012002
4102322012201131233
5313034322010140
613154321202515
71316051232212
oct227206413557
957356048162
1020302141295
118679036277
123b2719043b
131bb7175277
14da8495779
157dc54e415
hex4ba1a176f

20302141295 has 8 divisors (see below), whose sum is σ = 24363334224. Its totient is φ = 16241203264.

The previous prime is 20302141259. The next prime is 20302141309. The reversal of 20302141295 is 59214120302.

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

It is a cyclic number.

It is not a de Polignac number, because 20302141295 - 28 = 20302141039 is a prime.

It is a Duffinian number.

It is a congruent 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, 285347 + ... + 349323.

It is an arithmetic number, because the mean of its divisors is an integer number (3045416778).

Almost surely, 220302141295 is an apocalyptic number.

20302141295 is a deficient number, since it is larger than the sum of its proper divisors (4061192929).

20302141295 is an equidigital number, since it uses as much as digits as its factorization.

20302141295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127449.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 20302141295 its reverse (59214120302), we get a palindrome (79516261597).

The spelling of 20302141295 in words is "twenty billion, three hundred two million, one hundred forty-one thousand, two hundred ninety-five".

Divisors: 1 5 63467 63977 317335 319885 4060428259 20302141295