Base | Representation |
---|---|
bin | 10110010001101101110… |
… | …010011000010100010101 |
3 | 12102100101120212202222101 |
4 | 112101231302120110111 |
5 | 200040140132440400 |
6 | 3131132442202101 |
7 | 215412616454653 |
oct | 26215562302425 |
9 | 5370346782871 |
10 | 1530850280725 |
11 | 54025908a967 |
12 | 2088327b3331 |
13 | b14879b769c |
14 | 541449abdd3 |
15 | 29c4a97d56a |
hex | 1646dc98515 |
1530850280725 has 12 divisors (see below), whose sum is σ = 1944553235940. Its totient is φ = 1194809974400.
The previous prime is 1530850280723. The next prime is 1530850280737. The reversal of 1530850280725 is 5270820580351.
It can be written as a sum of positive squares in 6 ways, for example, as 805583436849 + 725266843876 = 897543^2 + 851626^2 .
It is not a de Polignac number, because 1530850280725 - 21 = 1530850280723 is a prime.
It is a super-2 number, since 2×15308502807252 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1530850280723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 746755210 + ... + 746757259.
It is an arithmetic number, because the mean of its divisors is an integer number (162046102995).
Almost surely, 21530850280725 is an apocalyptic number.
It is an amenable number.
1530850280725 is a deficient number, since it is larger than the sum of its proper divisors (413702955215).
1530850280725 is a wasteful number, since it uses less digits than its factorization.
1530850280725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1493512520 (or 1493512515 counting only the distinct ones).
The product of its (nonzero) digits is 672000, while the sum is 46.
The spelling of 1530850280725 in words is "one trillion, five hundred thirty billion, eight hundred fifty million, two hundred eighty thousand, seven hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •