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20032003103 = 72861714729
BaseRepresentation
bin10010101010000000…
…000001110000011111
31220201001202012020212
4102222000001300133
5312011143044403
613111431203035
71306261134260
oct225200016037
956631665225
1020032003103
11854a5a8472
123a7081647b
131b73201598
14d80656967
157c398d4d8
hex4aa001c1f

20032003103 has 4 divisors (see below), whose sum is σ = 22893717840. Its totient is φ = 17170288368.

The previous prime is 20032003067. The next prime is 20032003129. The reversal of 20032003103 is 30130023002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20032003103 - 26 = 20032003039 is a prime.

It is a super-2 number, since 2×200320031032 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032003153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430857358 + ... + 1430857371.

It is an arithmetic number, because the mean of its divisors is an integer number (5723429460).

Almost surely, 220032003103 is an apocalyptic number.

20032003103 is a deficient number, since it is larger than the sum of its proper divisors (2861714737).

20032003103 is an equidigital number, since it uses as much as digits as its factorization.

20032003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861714736.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20032003103 its reverse (30130023002), we get a palindrome (50162026105).

The spelling of 20032003103 in words is "twenty billion, thirty-two million, three thousand, one hundred three".

Divisors: 1 7 2861714729 20032003103