Base | Representation |
---|---|
bin | 1100001001011111111… |
… | …0000011000111011000 |
3 | 201221201020000201221221 |
4 | 3002113332003013120 |
5 | 11404413230234022 |
6 | 235513521541424 |
7 | 21035660125645 |
oct | 3022776030730 |
9 | 657636021857 |
10 | 208708055512 |
11 | 805702901a0 |
12 | 34547aa4874 |
13 | 168b1462148 |
14 | a15c81cdcc |
15 | 5667bd3cc7 |
hex | 3097f831d8 |
208708055512 has 32 divisors (see below), whose sum is σ = 427226245200. Its totient is φ = 94795430400.
The previous prime is 208708055477. The next prime is 208708055561. The reversal of 208708055512 is 215550807802.
208708055512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 781437 + ... + 1013932.
Almost surely, 2208708055512 is an apocalyptic number.
208708055512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
208708055512 is an abundant number, since it is smaller than the sum of its proper divisors (218518189688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208708055512 is a wasteful number, since it uses less digits than its factorization.
208708055512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1796707 (or 1796703 counting only the distinct ones).
The product of its (nonzero) digits is 224000, while the sum is 43.
The spelling of 208708055512 in words is "two hundred eight billion, seven hundred eight million, fifty-five thousand, five hundred twelve".
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