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1230202023103 = 5624921870647
BaseRepresentation
bin10001111001101101110…
…000010010110010111111
311100121100220010211221201
4101321231300102302333
5130123423204214403
62341051430440331
7154610360443354
oct21715560226277
94317326124851
101230202023103
114347a8a75069
1217a5082030a7
138c013794bb1
144378372062b
152200141d21d
hex11e6dc12cbf

1230202023103 has 4 divisors (see below), whose sum is σ = 1230223950000. Its totient is φ = 1230180096208.

The previous prime is 1230202023077. The next prime is 1230202023139. The reversal of 1230202023103 is 3013202020321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1230202023103 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 (1230202023203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10879075 + ... + 10991572.

It is an arithmetic number, because the mean of its divisors is an integer number (307555987500).

Almost surely, 21230202023103 is an apocalyptic number.

1230202023103 is a deficient number, since it is larger than the sum of its proper divisors (21926897).

1230202023103 is an equidigital number, since it uses as much as digits as its factorization.

1230202023103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21926896.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1230202023103 its reverse (3013202020321), we get a palindrome (4243404043424).

The spelling of 1230202023103 in words is "one trillion, two hundred thirty billion, two hundred two million, twenty-three thousand, one hundred three".

Divisors: 1 56249 21870647 1230202023103