Base | Representation |
---|---|
bin | 100100101010011… |
… | …0101110110001000 |
3 | 10011201211122102101 |
4 | 1021110311312020 |
5 | 10004412401300 |
6 | 322023243144 |
7 | 42325346335 |
oct | 11124656610 |
9 | 3151748371 |
10 | 1230200200 |
11 | 581463689 |
12 | 2a3ba94b4 |
13 | 167b39618 |
14 | b955198c |
15 | 73003b6a |
hex | 49535d88 |
1230200200 has 48 divisors (see below), whose sum is σ = 2888581860. Its totient is φ = 487200000.
The previous prime is 1230200183. The next prime is 1230200243. The reversal of 1230200200 is 20020321.
It can be written as a sum of positive squares in 6 ways, for example, as 332478756 + 897721444 = 18234^2 + 29962^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10251 + ... + 50650.
Almost surely, 21230200200 is an apocalyptic number.
1230200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230200200 is an abundant number, since it is smaller than the sum of its proper divisors (1658381660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230200200 is a wasteful number, since it uses less digits than its factorization.
1230200200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61018 (or 61009 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 1230200200 is about 35074.2098984425. The cubic root of 1230200200 is about 1071.4993973074.
Adding to 1230200200 its reverse (20020321), we get a palindrome (1250220521).
The spelling of 1230200200 in words is "one billion, two hundred thirty million, two hundred thousand, two hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •