Base | Representation |
---|---|
bin | 11100010000011011… |
… | …100100100011010011 |
3 | 2220022110212202012122 |
4 | 130100123210203103 |
5 | 444114122343011 |
6 | 21534352444455 |
7 | 2122602302120 |
oct | 342033444323 |
9 | 86273782178 |
10 | 30340434131 |
11 | 1195a425257 |
12 | 5a68b4972b |
13 | 2b26a7c207 |
14 | 167b745747 |
15 | bc89733db |
hex | 7106e48d3 |
30340434131 has 8 divisors (see below), whose sum is σ = 34678537824. Its totient is φ = 26003269440.
The previous prime is 30340434109. The next prime is 30340434139. The reversal of 30340434131 is 13143404303.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30340434131 - 218 = 30340171987 is a prime.
It is a super-2 number, since 2×303404341312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30340434131.
It is not an unprimeable number, because it can be changed into a prime (30340434139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164090 + ... + 295983.
It is an arithmetic number, because the mean of its divisors is an integer number (4334817228).
Almost surely, 230340434131 is an apocalyptic number.
30340434131 is a deficient number, since it is larger than the sum of its proper divisors (4338103693).
30340434131 is an equidigital number, since it uses as much as digits as its factorization.
30340434131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469501.
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 30340434131 its reverse (13143404303), we get a palindrome (43483838434).
The spelling of 30340434131 in words is "thirty billion, three hundred forty million, four hundred thirty-four thousand, one hundred thirty-one".
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