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1230030033 = 3410010011
BaseRepresentation
bin100100101010000…
…1100010011010001
310011201111222222220
41021110030103101
510004341430113
6322015451253
742324040251
oct11124142321
93151458886
101230030033
11581357851
122a3b26b29
13167aaa02b
14b9509961
1572ebd523
hex4950c4d1

1230030033 has 4 divisors (see below), whose sum is σ = 1640040048. Its totient is φ = 820020020.

The previous prime is 1230030001. The next prime is 1230030073. The reversal of 1230030033 is 3300300321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1230030033 - 25 = 1230030001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1230029994 and 1230030021.

It is not an unprimeable number, because it can be changed into a prime (1230030073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205005003 + ... + 205005008.

It is an arithmetic number, because the mean of its divisors is an integer number (410010012).

Almost surely, 21230030033 is an apocalyptic number.

It is an amenable number.

1230030033 is a deficient number, since it is larger than the sum of its proper divisors (410010015).

1230030033 is an equidigital number, since it uses as much as digits as its factorization.

1230030033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410010014.

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

The square root of 1230030033 is about 35071.7840008175. The cubic root of 1230030033 is about 1071.4499901064.

Adding to 1230030033 its reverse (3300300321), we get a palindrome (4530330354).

The spelling of 1230030033 in words is "one billion, two hundred thirty million, thirty thousand, thirty-three".

Divisors: 1 3 410010011 1230030033