Base | Representation |
---|---|
bin | 100100101010101… |
… | …1000001110011101 |
3 | 10011202002210120222 |
4 | 1021111120032131 |
5 | 10004431403041 |
6 | 322030251125 |
7 | 42326504030 |
oct | 11125301635 |
9 | 3152083528 |
10 | 1230341021 |
11 | 58154a468 |
12 | 2a4056aa5 |
13 | 167b88750 |
14 | b958b017 |
15 | 7303074b |
hex | 4955839d |
1230341021 has 8 divisors (see below), whose sum is σ = 1514265984. Its totient is φ = 973456560.
The previous prime is 1230341009. The next prime is 1230341027. The reversal of 1230341021 is 1201430321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1230341021 - 26 = 1230340957 is a prime.
It is a super-3 number, since 3×12303410213 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230341027) 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, 6760025 + ... + 6760206.
It is an arithmetic number, because the mean of its divisors is an integer number (189283248).
Almost surely, 21230341021 is an apocalyptic number.
It is an amenable number.
1230341021 is a deficient number, since it is larger than the sum of its proper divisors (283924963).
1230341021 is a wasteful number, since it uses less digits than its factorization.
1230341021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13520251.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1230341021 is about 35076.2173131596. The cubic root of 1230341021 is about 1071.5402805879.
Adding to 1230341021 its reverse (1201430321), we get a palindrome (2431771342).
The spelling of 1230341021 in words is "one billion, two hundred thirty million, three hundred forty-one thousand, twenty-one".
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