Base | Representation |
---|---|
bin | 100100101010110… |
… | …1100010000111111 |
3 | 10011202020222012001 |
4 | 1021111230100333 |
5 | 10004442014403 |
6 | 322032123131 |
7 | 42330265240 |
oct | 11125542077 |
9 | 3152228161 |
10 | 1230423103 |
11 | 5815a60a8 |
12 | 2a40964a7 |
13 | 167bb6c10 |
14 | b95accc7 |
15 | 73049c1d |
hex | 4956c43f |
1230423103 has 16 divisors (see below), whose sum is σ = 1535119936. Its totient is φ = 960180480.
The previous prime is 1230423091. The next prime is 1230423193. The reversal of 1230423103 is 3013240321.
It is not a de Polignac number, because 1230423103 - 29 = 1230422591 is a prime.
It is a super-2 number, since 2×12304231032 = 3027882024792297218, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230423193) 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, 85968 + ... + 99253.
It is an arithmetic number, because the mean of its divisors is an integer number (95944996).
Almost surely, 21230423103 is an apocalyptic number.
1230423103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1230423103 is a deficient number, since it is larger than the sum of its proper divisors (304696833).
1230423103 is a wasteful number, since it uses less digits than its factorization.
1230423103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185314.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 1230423103 is about 35077.3873456961. The cubic root of 1230423103 is about 1071.5641092696.
Adding to 1230423103 its reverse (3013240321), we get a palindrome (4243663424).
The spelling of 1230423103 in words is "one billion, two hundred thirty million, four hundred twenty-three thousand, one hundred three".
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