Base | Representation |
---|---|
bin | 100111001000011… |
… | …0010100110101110 |
3 | 10101111200112220110 |
4 | 1032100302212232 |
5 | 10142113240210 |
6 | 334142400450 |
7 | 44352344364 |
oct | 11620624656 |
9 | 3344615813 |
10 | 1313024430 |
11 | 614193763 |
12 | 307890126 |
13 | 17c048343 |
14 | c6551634 |
15 | 7a414420 |
hex | 4e4329ae |
1313024430 has 64 divisors (see below), whose sum is σ = 3249911808. Its totient is φ = 339325440.
The previous prime is 1313024429. The next prime is 1313024473. The reversal of 1313024430 is 344203131.
It is a junction number, because it is equal to n+sod(n) for n = 1313024397 and 1313024406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140710 + ... + 149750.
It is an arithmetic number, because the mean of its divisors is an integer number (50779872).
Almost surely, 21313024430 is an apocalyptic number.
1313024430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1313024430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624955904).
1313024430 is an abundant number, since it is smaller than the sum of its proper divisors (1936887378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1313024430 is a wasteful number, since it uses less digits than its factorization.
1313024430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9201.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1313024430 is about 36235.6789642474. The cubic root of 1313024430 is about 1095.0255910284.
Adding to 1313024430 its reverse (344203131), we get a palindrome (1657227561).
The spelling of 1313024430 in words is "one billion, three hundred thirteen million, twenty-four thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •