Base | Representation |
---|---|
bin | 11100010000101111… |
… | …000101110111001111 |
3 | 2220022211111201122211 |
4 | 130100233011313033 |
5 | 444121430120221 |
6 | 21535054251251 |
7 | 2122663634035 |
oct | 342057056717 |
9 | 86284451584 |
10 | 30345551311 |
11 | 119622aa929 |
12 | 5a6a7b6b27 |
13 | 2b27b5142a |
14 | 167c2b8555 |
15 | bc91346e1 |
hex | 710bc5dcf |
30345551311 has 4 divisors (see below), whose sum is σ = 30405169800. Its totient is φ = 30285932824.
The previous prime is 30345551273. The next prime is 30345551333. The reversal of 30345551311 is 11315554303.
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 30345551311 - 215 = 30345518543 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30345551011) 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, 29808481 + ... + 29809498.
It is an arithmetic number, because the mean of its divisors is an integer number (7601292450).
Almost surely, 230345551311 is an apocalyptic number.
30345551311 is a deficient number, since it is larger than the sum of its proper divisors (59618489).
30345551311 is an equidigital number, since it uses as much as digits as its factorization.
30345551311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59618488.
The product of its (nonzero) digits is 13500, while the sum is 31.
The spelling of 30345551311 in words is "thirty billion, three hundred forty-five million, five hundred fifty-one thousand, three hundred eleven".
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