Base | Representation |
---|---|
bin | 101010101010011… |
… | …1001000110100010 |
3 | 10200202200202212211 |
4 | 1111110321012202 |
5 | 10412433241010 |
6 | 354014512334 |
7 | 50321614246 |
oct | 12524710642 |
9 | 3622622784 |
10 | 1431540130 |
11 | 675081319 |
12 | 33b5056aa |
13 | 19a772787 |
14 | d81a2426 |
15 | 85a2508a |
hex | 555391a2 |
1431540130 has 32 divisors (see below), whose sum is σ = 2599427376. Its totient is φ = 567600384.
The previous prime is 1431540113. The next prime is 1431540139. The reversal of 1431540130 is 310451341.
It can be written as a sum of positive squares in 8 ways, for example, as 5193841 + 1426346289 = 2279^2 + 37767^2 .
It is not an unprimeable number, because it can be changed into a prime (1431540139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873672 + ... + 875308.
Almost surely, 21431540130 is an apocalyptic number.
1431540130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1431540130 is a deficient number, since it is larger than the sum of its proper divisors (1167887246).
1431540130 is a wasteful number, since it uses less digits than its factorization.
1431540130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2358.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 1431540130 is about 37835.6991477626. The cubic root of 1431540130 is about 1127.0274891881.
Adding to 1431540130 its reverse (310451341), we get a palindrome (1741991471).
It can be divided in two parts, 14315 and 40130, that added together give a palindrome (54445).
The spelling of 1431540130 in words is "one billion, four hundred thirty-one million, five hundred forty thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •