Base | Representation |
---|---|
bin | 11100000100100100… |
… | …101001001000100101 |
3 | 2212210121112010010201 |
4 | 130010210221020211 |
5 | 443212210014410 |
6 | 21502524350501 |
7 | 2114635254220 |
oct | 340444511045 |
9 | 85717463121 |
10 | 30141485605 |
11 | 118680a0290 |
12 | 5a123a5431 |
13 | 2ac47a26aa |
14 | 165d1585b7 |
15 | bb627583a |
hex | 704929225 |
30141485605 has 128 divisors (see below), whose sum is σ = 48685722624. Its totient is φ = 17340825600.
The previous prime is 30141485603. The next prime is 30141485609. The reversal of 30141485605 is 50658414103.
It is a happy number.
It is not a de Polignac number, because 30141485605 - 21 = 30141485603 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30141485603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 125068285 + ... + 125068525.
It is an arithmetic number, because the mean of its divisors is an integer number (380357208).
Almost surely, 230141485605 is an apocalyptic number.
30141485605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30141485605 is a deficient number, since it is larger than the sum of its proper divisors (18544237019).
30141485605 is a wasteful number, since it uses less digits than its factorization.
30141485605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 575.
The product of its (nonzero) digits is 57600, while the sum is 37.
Adding to 30141485605 its reverse (50658414103), we get a palindrome (80799899708).
The spelling of 30141485605 in words is "thirty billion, one hundred forty-one million, four hundred eighty-five thousand, six hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •