Base | Representation |
---|---|
bin | 100100101010000… |
… | …0111100000100000 |
3 | 10011201111000001202 |
4 | 1021110013200200 |
5 | 10004340313100 |
6 | 322015220332 |
7 | 42323626103 |
oct | 11124074040 |
9 | 3151430052 |
10 | 1230010400 |
11 | 581344023 |
12 | 2a3b176a8 |
13 | 167aa1108 |
14 | b950273a |
15 | 72eb77d5 |
hex | 49507820 |
1230010400 has 36 divisors (see below), whose sum is σ = 3002764842. Its totient is φ = 492003840.
The previous prime is 1230010381. The next prime is 1230010433. The reversal of 1230010400 is 40100321.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 507691024 + 722319376 = 22532^2 + 26876^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767957 + ... + 769556.
Almost surely, 21230010400 is an apocalyptic number.
1230010400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230010400 is an abundant number, since it is smaller than the sum of its proper divisors (1772754442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230010400 is a wasteful number, since it uses less digits than its factorization.
1230010400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1537533 (or 1537520 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 1230010400 is about 35071.5041023336. The cubic root of 1230010400 is about 1071.4442894625. Note that the first 3 decimals are identical.
Adding to 1230010400 its reverse (40100321), we get a palindrome (1270110721).
The spelling of 1230010400 in words is "one billion, two hundred thirty million, ten thousand, four hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •