Base | Representation |
---|---|
bin | 1000111000111001010… |
… | …10001100011101011001 |
3 | 1002012100111012102122220 |
4 | 10130130222030131121 |
5 | 20001001404014040 |
6 | 352150513334253 |
7 | 31031451632130 |
oct | 4343452143531 |
9 | 1065314172586 |
10 | 305423501145 |
11 | 108590670a54 |
12 | 4b239867389 |
13 | 22a55639999 |
14 | 10ad5564917 |
15 | 7e288bc2d0 |
hex | 471ca8c759 |
305423501145 has 16 divisors (see below), whose sum is σ = 558488688000. Its totient is φ = 139622171904.
The previous prime is 305423501107. The next prime is 305423501189. The reversal of 305423501145 is 541105324503.
It is not a de Polignac number, because 305423501145 - 26 = 305423501081 is a prime.
It is a super-2 number, since 2×3054235011452 (a number of 24 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454397520 + ... + 1454397729.
It is an arithmetic number, because the mean of its divisors is an integer number (34905543000).
Almost surely, 2305423501145 is an apocalyptic number.
305423501145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
305423501145 is a deficient number, since it is larger than the sum of its proper divisors (253065186855).
305423501145 is a wasteful number, since it uses less digits than its factorization.
305423501145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2908795264.
The product of its (nonzero) digits is 36000, while the sum is 33.
Adding to 305423501145 its reverse (541105324503), we get a palindrome (846528825648).
The spelling of 305423501145 in words is "three hundred five billion, four hundred twenty-three million, five hundred one thousand, one hundred forty-five".
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