Base | Representation |
---|---|
bin | 101111101000110001… |
… | …110111001101101100 |
3 | 11220000201210112010212 |
4 | 233220301313031230 |
5 | 1314223401304310 |
6 | 35255322321552 |
7 | 3460355021003 |
oct | 575061671554 |
9 | 156021715125 |
10 | 51150025580 |
11 | 1a768946315 |
12 | 9ab60592b8 |
13 | 4a920b7634 |
14 | 2693371c3a |
15 | 14e580d205 |
hex | be8c7736c |
51150025580 has 24 divisors (see below), whose sum is σ = 107541015792. Its totient is φ = 20436017472.
The previous prime is 51150025579. The next prime is 51150025583. The reversal of 51150025580 is 8552005115.
It is not an unprimeable number, because it can be changed into a prime (51150025583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482062 + ... + 1516181.
It is an arithmetic number, because the mean of its divisors is an integer number (4480875658).
Almost surely, 251150025580 is an apocalyptic number.
It is an amenable number.
51150025580 is an abundant number, since it is smaller than the sum of its proper divisors (56390990212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51150025580 is a wasteful number, since it uses less digits than its factorization.
51150025580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2999105 (or 2999103 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 32.
The spelling of 51150025580 in words is "fifty-one billion, one hundred fifty million, twenty-five thousand, five hundred eighty".
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