Base | Representation |
---|---|
bin | 11011111101111111… |
… | …101011110110100001 |
3 | 2212111220212200100102 |
4 | 123331333223312201 |
5 | 443000432242423 |
6 | 21443543232145 |
7 | 2112125266601 |
oct | 337577536641 |
9 | 85456780312 |
10 | 30031134113 |
11 | 11810879602 |
12 | 59a1448655 |
13 | 2aa7976356 |
14 | 164c630c01 |
15 | bab728c28 |
hex | 6fdfebda1 |
30031134113 has 4 divisors (see below), whose sum is σ = 30222415380. Its totient is φ = 29839852848.
The previous prime is 30031134079. The next prime is 30031134143. The reversal of 30031134113 is 31143113003.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19980670609 + 10050463504 = 141353^2 + 100252^2 .
It is a cyclic number.
It is not a de Polignac number, because 30031134113 - 216 = 30031068577 is a prime.
It is a super-2 number, since 2×300311341132 (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 (30031134143) 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, 95640398 + ... + 95640711.
It is an arithmetic number, because the mean of its divisors is an integer number (7555603845).
Almost surely, 230031134113 is an apocalyptic number.
It is an amenable number.
30031134113 is a deficient number, since it is larger than the sum of its proper divisors (191281267).
30031134113 is a wasteful number, since it uses less digits than its factorization.
30031134113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191281266.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 30031134113 its reverse (31143113003), we get a palindrome (61174247116).
The spelling of 30031134113 in words is "thirty billion, thirty-one million, one hundred thirty-four thousand, one hundred thirteen".
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