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12103000033 = 37477395339
BaseRepresentation
bin10110100010110010…
…10001111111100001
31011020110221002211111
423101121101333201
5144241332000113
65320545143321
7605631542245
oct132131217741
934213832744
1012103000033
115150912073
12241932ab41
1311ab5b89a7
1482b590425
154ac81913d
hex2d1651fe1

12103000033 has 16 divisors (see below), whose sum is σ = 12868611840. Its totient is φ = 11367340416.

The previous prime is 12103000001. The next prime is 12103000069. The reversal of 12103000033 is 33000030121.

It is not a de Polignac number, because 12103000033 - 25 = 12103000001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12102999977 and 12103000022.

It is not an unprimeable number, because it can be changed into a prime (12103000073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79278 + ... + 174616.

It is an arithmetic number, because the mean of its divisors is an integer number (804288240).

Almost surely, 212103000033 is an apocalyptic number.

It is an amenable number.

12103000033 is a deficient number, since it is larger than the sum of its proper divisors (765611807).

12103000033 is an equidigital number, since it uses as much as digits as its factorization.

12103000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95496.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 12103000033 its reverse (33000030121), we get a palindrome (45103030154).

The spelling of 12103000033 in words is "twelve billion, one hundred three million, thirty-three", and thus it is an aban number.

Divisors: 1 37 47 73 1739 2701 3431 95339 126947 3527543 4480933 6959747 165794521 257510639 327108109 12103000033