Base | Representation |
---|---|
bin | 101111011010101001… |
… | …000111011011100000 |
3 | 11212102012111211201100 |
4 | 233122221013123200 |
5 | 1313232142223210 |
6 | 35220011034400 |
7 | 3451445045625 |
oct | 573251073340 |
9 | 155365454640 |
10 | 50912851680 |
11 | 1a656a83029 |
12 | 9a4a73ba00 |
13 | 4a54c15c52 |
14 | 266da7434c |
15 | 14ceaae5c0 |
hex | bdaa476e0 |
50912851680 has 72 divisors (see below), whose sum is σ = 173740111272. Its totient is φ = 13576760064.
The previous prime is 50912851667. The next prime is 50912851709. The reversal of 50912851680 is 8615821905.
It is a happy number.
50912851680 is a `hidden beast` number, since 5 + 0 + 9 + 128 + 516 + 8 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (45).
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 11 ways as a sum of consecutive naturals, for example, 17676634 + ... + 17679513.
It is an arithmetic number, because the mean of its divisors is an integer number (2413057101).
Almost surely, 250912851680 is an apocalyptic number.
It is an amenable number.
50912851680 is an abundant number, since it is smaller than the sum of its proper divisors (122827259592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50912851680 is a wasteful number, since it uses less digits than its factorization.
50912851680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35356168 (or 35356157 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 45.
The spelling of 50912851680 in words is "fifty billion, nine hundred twelve million, eight hundred fifty-one thousand, six hundred eighty".
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