Base | Representation |
---|---|
bin | 100100101010110… |
… | …1101111100110000 |
3 | 10011202021022122111 |
4 | 1021111231330300 |
5 | 10004442230000 |
6 | 322032215104 |
7 | 42330324322 |
oct | 11125557460 |
9 | 3152238574 |
10 | 1230430000 |
11 | 5816002a8 |
12 | 2a409a494 |
13 | 167bba0b7 |
14 | b95b1612 |
15 | 7304bcba |
hex | 4956df30 |
1230430000 has 100 divisors (see below), whose sum is σ = 3022694928. Its totient is φ = 484960000.
The previous prime is 1230429973. The next prime is 1230430001. The reversal of 1230430000 is 340321.
It is a tau number, because it is divible by the number of its divisors (100).
It is not an unprimeable number, because it can be changed into a prime (1230430001) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 709134 + ... + 710866.
Almost surely, 21230430000 is an apocalyptic number.
1230430000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1230430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511347464).
1230430000 is an abundant number, since it is smaller than the sum of its proper divisors (1792264928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230430000 is an equidigital number, since it uses as much as digits as its factorization.
1230430000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1832 (or 1811 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 1230430000 is about 35077.4856567571. The cubic root of 1230430000 is about 1071.5661114437.
Adding to 1230430000 its reverse (340321), we get a palindrome (1230770321).
The spelling of 1230430000 in words is "one billion, two hundred thirty million, four hundred thirty thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •