Base | Representation |
---|---|
bin | 100100101010000… |
… | …1000000000010001 |
3 | 10011201111002212001 |
4 | 1021110020000101 |
5 | 10004340344213 |
6 | 322015234001 |
7 | 42323635036 |
oct | 11124100021 |
9 | 3151432761 |
10 | 1230012433 |
11 | 581345601 |
12 | 2a3b18901 |
13 | 167aa2010 |
14 | b950338d |
15 | 72eb81dd |
hex | 49508011 |
1230012433 has 16 divisors (see below), whose sum is σ = 1340640000. Its totient is φ = 1121757120.
The previous prime is 1230012397. The next prime is 1230012437. The reversal of 1230012433 is 3342100321.
It is a cyclic number.
It is not a de Polignac number, because 1230012433 - 29 = 1230011921 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1230012433.
It is not an unprimeable number, because it can be changed into a prime (1230012437) 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, 383868 + ... + 387058.
It is an arithmetic number, because the mean of its divisors is an integer number (83790000).
Almost surely, 21230012433 is an apocalyptic number.
1230012433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1230012433 is a deficient number, since it is larger than the sum of its proper divisors (110627567).
1230012433 is a wasteful number, since it uses less digits than its factorization.
1230012433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3552.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 1230012433 is about 35071.5330859659. The cubic root of 1230012433 is about 1071.4448797679. Note that the first 3 decimals are identical.
Adding to 1230012433 its reverse (3342100321), we get a palindrome (4572112754).
The spelling of 1230012433 in words is "one billion, two hundred thirty million, twelve thousand, four hundred thirty-three".
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