Base | Representation |
---|---|
bin | 1000111000101111110… |
… | …11100000101000100001 |
3 | 1002012010221220012001010 |
4 | 10130113323200220201 |
5 | 20000321100413040 |
6 | 352135000531133 |
7 | 31026466325562 |
oct | 4342773405041 |
9 | 1065127805033 |
10 | 305344154145 |
11 | 10854a8a6418 |
12 | 4b217180aa9 |
13 | 22a420778b4 |
14 | 10ac8bcc169 |
15 | 7e21946e80 |
hex | 4717ee0a21 |
305344154145 has 32 divisors (see below), whose sum is σ = 521939450880. Its totient is φ = 151976468160.
The previous prime is 305344154123. The next prime is 305344154149. The reversal of 305344154145 is 541451443503.
It is a de Polignac number, because none of the positive numbers 2k-305344154145 is a prime.
It is not an unprimeable number, because it can be changed into a prime (305344154149) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7976301 + ... + 8014490.
It is an arithmetic number, because the mean of its divisors is an integer number (16310607840).
Almost surely, 2305344154145 is an apocalyptic number.
It is an amenable number.
305344154145 is a deficient number, since it is larger than the sum of its proper divisors (216595296735).
305344154145 is a wasteful number, since it uses less digits than its factorization.
305344154145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15990885.
The product of its (nonzero) digits is 288000, while the sum is 39.
Adding to 305344154145 its reverse (541451443503), we get a palindrome (846795597648).
The spelling of 305344154145 in words is "three hundred five billion, three hundred forty-four million, one hundred fifty-four thousand, one hundred forty-five".
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