Base | Representation |
---|---|
bin | 1000111000101111101… |
… | …01010111110011111000 |
3 | 1002012010211212102220111 |
4 | 10130113311113303320 |
5 | 20000320142421034 |
6 | 352134502234104 |
7 | 31026446544610 |
oct | 4342765276370 |
9 | 1065124772814 |
10 | 305342545144 |
11 | 1085499a756a |
12 | 4b216725934 |
13 | 22a41933420 |
14 | 10ac88cda40 |
15 | 7e2172a364 |
hex | 4717d57cf8 |
305342545144 has 64 divisors (see below), whose sum is σ = 706888405440. Its totient is φ = 120408837120.
The previous prime is 305342545139. The next prime is 305342545153. The reversal of 305342545144 is 441545243503.
It is a junction number, because it is equal to n+sod(n) for n = 305342545097 and 305342545106.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442147 + ... + 897874.
It is an arithmetic number, because the mean of its divisors is an integer number (11045131335).
Almost surely, 2305342545144 is an apocalyptic number.
It is an amenable number.
305342545144 is an abundant number, since it is smaller than the sum of its proper divisors (401545860296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
305342545144 is a wasteful number, since it uses less digits than its factorization.
305342545144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1340360 (or 1340356 counting only the distinct ones).
The product of its (nonzero) digits is 576000, while the sum is 40.
Adding to 305342545144 its reverse (441545243503), we get a palindrome (746887788647).
The spelling of 305342545144 in words is "three hundred five billion, three hundred forty-two million, five hundred forty-five thousand, one hundred forty-four".
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