Base | Representation |
---|---|
bin | 11100010101111001… |
… | …011001101111011111 |
3 | 2220112212102220100202 |
4 | 130111321121233133 |
5 | 444311111442010 |
6 | 21551430214115 |
7 | 2125064631656 |
oct | 342571315737 |
9 | 86485386322 |
10 | 30432140255 |
11 | 119a7171440 |
12 | 5a937b433b |
13 | 2b3ca7a8aa |
14 | 16899b819d |
15 | bd1a3a6a5 |
hex | 715e59bdf |
30432140255 has 16 divisors (see below), whose sum is σ = 39883618944. Its totient is φ = 22107365280.
The previous prime is 30432140197. The next prime is 30432140293. The reversal of 30432140255 is 55204123403.
It is a happy number.
It is not a de Polignac number, because 30432140255 - 28 = 30432139999 is a prime.
It is a super-2 number, since 2×304321402552 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264749 + ... + 361878.
It is an arithmetic number, because the mean of its divisors is an integer number (2492726184).
Almost surely, 230432140255 is an apocalyptic number.
30432140255 is a deficient number, since it is larger than the sum of its proper divisors (9451478689).
30432140255 is a wasteful number, since it uses less digits than its factorization.
30432140255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 627526.
The product of its (nonzero) digits is 14400, while the sum is 29.
Adding to 30432140255 its reverse (55204123403), we get a palindrome (85636263658).
The spelling of 30432140255 in words is "thirty billion, four hundred thirty-two million, one hundred forty thousand, two hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •