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20102213303 = 83242195341
BaseRepresentation
bin10010101110001011…
…110110111010110111
31220212221212020112122
4102232023312322313
5312132131311203
613122420110155
71311102664604
oct225613667267
956787766478
1020102213303
1185861a2427
123a9023535b
131b84914993
14d89ad16ab
157c9c0b538
hex4ae2f6eb7

20102213303 has 4 divisors (see below), whose sum is σ = 20344408728. Its totient is φ = 19860017880.

The previous prime is 20102213297. The next prime is 20102213311. The reversal of 20102213303 is 30331220102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30331220102 = 215165610051.

It is a cyclic number.

It is not a de Polignac number, because 20102213303 - 210 = 20102212279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102213323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121097588 + ... + 121097753.

It is an arithmetic number, because the mean of its divisors is an integer number (5086102182).

Almost surely, 220102213303 is an apocalyptic number.

20102213303 is a deficient number, since it is larger than the sum of its proper divisors (242195425).

20102213303 is an equidigital number, since it uses as much as digits as its factorization.

20102213303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242195424.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20102213303 its reverse (30331220102), we get a palindrome (50433433405).

The spelling of 20102213303 in words is "twenty billion, one hundred two million, two hundred thirteen thousand, three hundred three".

Divisors: 1 83 242195341 20102213303