Base | Representation |
---|---|
bin | 11100001110000110… |
… | …000100001100010011 |
3 | 2220012202010120220002 |
4 | 130032012010030103 |
5 | 444024104222011 |
6 | 21530432440215 |
7 | 2121615210536 |
oct | 341606041423 |
9 | 86182116802 |
10 | 30301242131 |
11 | 1193a296776 |
12 | 5a579a906b |
13 | 2b1b909394 |
14 | 1676462a1d |
15 | bc52d0c3b |
hex | 70e184313 |
30301242131 has 4 divisors (see below), whose sum is σ = 30328370592. Its totient is φ = 30274113672.
The previous prime is 30301242121. The next prime is 30301242137. The reversal of 30301242131 is 13124210303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30301242131 - 26 = 30301242067 is a prime.
It is a super-2 number, since 2×303012421312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30301242137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13562555 + ... + 13564788.
It is an arithmetic number, because the mean of its divisors is an integer number (7582092648).
Almost surely, 230301242131 is an apocalyptic number.
30301242131 is a deficient number, since it is larger than the sum of its proper divisors (27128461).
30301242131 is a wasteful number, since it uses less digits than its factorization.
30301242131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27128460.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 30301242131 its reverse (13124210303), we get a palindrome (43425452434).
The spelling of 30301242131 in words is "thirty billion, three hundred one million, two hundred forty-two thousand, one hundred thirty-one".
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