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20313030003 = 3728131710859
BaseRepresentation
bin10010111010110000…
…000011110101110011
31221102122112211200120
4102322300003311303
5313100113430003
613155350421323
71316242622550
oct227260036563
957378484616
1020313030003
1186841a3102
123b2a961843
131bb94b84a6
14da9acba27
157dd4a0853
hex4bac03d73

20313030003 has 32 divisors (see below), whose sum is σ = 31164203520. Its totient is φ = 11528590080.

The previous prime is 20313029987. The next prime is 20313030011. The reversal of 20313030003 is 30003031302.

It is not a de Polignac number, because 20313030003 - 24 = 20313029987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20313030013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865188 + ... + 1876046.

It is an arithmetic number, because the mean of its divisors is an integer number (973881360).

Almost surely, 220313030003 is an apocalyptic number.

20313030003 is a deficient number, since it is larger than the sum of its proper divisors (10851173517).

20313030003 is a wasteful number, since it uses less digits than its factorization.

20313030003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467.

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20313030003 its reverse (30003031302), we get a palindrome (50316061305).

The spelling of 20313030003 in words is "twenty billion, three hundred thirteen million, thirty thousand, three".

Divisors: 1 3 7 21 281 317 843 951 1967 2219 5901 6657 10859 32577 76013 89077 228039 267231 623539 1870617 3051379 3442303 9154137 10326909 21359653 24096121 64078959 72288363 967287143 2901861429 6771010001 20313030003