Base | Representation |
---|---|
bin | 111001100110100000… |
… | …001010110000100000 |
3 | 12220122101021111000101 |
4 | 321212200022300200 |
5 | 2003131402011343 |
6 | 44225124032144 |
7 | 4316452646410 |
oct | 714640126040 |
9 | 186571244011 |
10 | 61849250848 |
11 | 24259320650 |
12 | bba1232654 |
13 | 5aa8902668 |
14 | 2dca30a640 |
15 | 191ec88e4d |
hex | e6680ac20 |
61849250848 has 48 divisors (see below), whose sum is σ = 151811803584. Its totient is φ = 24097109760.
The previous prime is 61849250831. The next prime is 61849250857. The reversal of 61849250848 is 84805294816.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12548115 + ... + 12553042.
It is an arithmetic number, because the mean of its divisors is an integer number (3162745908).
Almost surely, 261849250848 is an apocalyptic number.
It is an amenable number.
61849250848 is an abundant number, since it is smaller than the sum of its proper divisors (89962552736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61849250848 is a wasteful number, since it uses less digits than its factorization.
61849250848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25101185 (or 25101177 counting only the distinct ones).
The product of its (nonzero) digits is 4423680, while the sum is 55.
The spelling of 61849250848 in words is "sixty-one billion, eight hundred forty-nine million, two hundred fifty thousand, eight hundred forty-eight".
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