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12030023103 = 37572858243
BaseRepresentation
bin10110011010000101…
…11001010110111111
31011001101121111022020
423031002321112333
5144114141214403
65305421051223
7604054336440
oct131502712677
934041544266
1012030023103
1151136a845a
1223b89b6b13
131199447187
148219d52c7
154a6201453
hex2cd0b95bf

12030023103 has 8 divisors (see below), whose sum is σ = 18331463808. Its totient is φ = 6874298904.

The previous prime is 12030023099. The next prime is 12030023113. The reversal of 12030023103 is 30132003021.

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

It is not a de Polignac number, because 12030023103 - 22 = 12030023099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030023113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286429101 + ... + 286429142.

It is an arithmetic number, because the mean of its divisors is an integer number (2291432976).

Almost surely, 212030023103 is an apocalyptic number.

12030023103 is a deficient number, since it is larger than the sum of its proper divisors (6301440705).

12030023103 is an equidigital number, since it uses as much as digits as its factorization.

12030023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572858253.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12030023103 its reverse (30132003021), we get a palindrome (42162026124).

The spelling of 12030023103 in words is "twelve billion, thirty million, twenty-three thousand, one hundred three".

Divisors: 1 3 7 21 572858243 1718574729 4010007701 12030023103