Base | Representation |
---|---|
bin | 100100101010001… |
… | …1101011000111110 |
3 | 10011201122120000101 |
4 | 1021110131120332 |
5 | 10004401200110 |
6 | 322021151314 |
7 | 42324451315 |
oct | 11124353076 |
9 | 3151576011 |
10 | 1230100030 |
11 | 5813a53a5 |
12 | 2a3b5b53a |
13 | 167b02b53 |
14 | b952727c |
15 | 72ed413a |
hex | 4951d63e |
1230100030 has 16 divisors (see below), whose sum is σ = 2310449184. Its totient is φ = 470646880.
The previous prime is 1230100021. The next prime is 1230100031. The reversal of 1230100030 is 300010321.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230100031) 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, 2673901 + ... + 2674360.
It is an arithmetic number, because the mean of its divisors is an integer number (144403074).
Almost surely, 21230100030 is an apocalyptic number.
1230100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1230100030 is a deficient number, since it is larger than the sum of its proper divisors (1080349154).
1230100030 is a wasteful number, since it uses less digits than its factorization.
1230100030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5348291.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 1230100030 is about 35072.7818970780. The cubic root of 1230100030 is about 1071.4703139631.
Adding to 1230100030 its reverse (300010321), we get a palindrome (1530110351).
The spelling of 1230100030 in words is "one billion, two hundred thirty million, one hundred thousand, thirty".
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