Base | Representation |
---|---|
bin | 1001000000100100111… |
… | …11101101111111100110 |
3 | 1002120222221002010220220 |
4 | 10200102133231333212 |
5 | 20032423233400204 |
6 | 354112050505210 |
7 | 31235613106410 |
oct | 4402237557746 |
9 | 1076887063826 |
10 | 309547950054 |
11 | 10a307825512 |
12 | 4bbaab95206 |
13 | 23261c822b5 |
14 | 10da72319b0 |
15 | 80baa261d9 |
hex | 48127edfe6 |
309547950054 has 32 divisors (see below), whose sum is σ = 707656455936. Its totient is φ = 88427485920.
The previous prime is 309547950053. The next prime is 309547950067. The reversal of 309547950054 is 450059745903.
It is a junction number, because it is equal to n+sod(n) for n = 309547949979 and 309547950006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (309547950053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360597 + ... + 865520.
It is an arithmetic number, because the mean of its divisors is an integer number (22114264248).
Almost surely, 2309547950054 is an apocalyptic number.
309547950054 is an abundant number, since it is smaller than the sum of its proper divisors (398108505882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
309547950054 is a wasteful number, since it uses less digits than its factorization.
309547950054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1232140.
The product of its (nonzero) digits is 3402000, while the sum is 51.
The spelling of 309547950054 in words is "three hundred nine billion, five hundred forty-seven million, nine hundred fifty thousand, fifty-four".
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