Base | Representation |
---|---|
bin | 1011111101001000010… |
… | …0011101101011011100 |
3 | 201122010211110202001121 |
4 | 2333102010131223130 |
5 | 11331113242122122 |
6 | 234204234220324 |
7 | 20560462622605 |
oct | 2772204355334 |
9 | 648124422047 |
10 | 205387848412 |
11 | 7a1170a448a |
12 | 3397bb846a4 |
13 | 164a2626366 |
14 | 9d258a2dac |
15 | 552148dbc7 |
hex | 2fd211dadc |
205387848412 has 6 divisors (see below), whose sum is σ = 359428734728. Its totient is φ = 102693924204.
The previous prime is 205387848389. The next prime is 205387848437. The reversal of 205387848412 is 214848783502.
It is a self number, because there is not a number n which added to its sum of digits gives 205387848412.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673481048 + ... + 25673481055.
Almost surely, 2205387848412 is an apocalyptic number.
It is an amenable number.
205387848412 is a deficient number, since it is larger than the sum of its proper divisors (154040886316).
205387848412 is a wasteful number, since it uses less digits than its factorization.
205387848412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51346962107 (or 51346962105 counting only the distinct ones).
The product of its (nonzero) digits is 3440640, while the sum is 52.
The spelling of 205387848412 in words is "two hundred five billion, three hundred eighty-seven million, eight hundred forty-eight thousand, four hundred twelve".
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