Base | Representation |
---|---|
bin | 101000110111101111… |
… | …1111110110100101000 |
3 | 22101112211202000010221 |
4 | 1101233133332310220 |
5 | 2414223110010210 |
6 | 104153155415424 |
7 | 6225010460545 |
oct | 1215737766450 |
9 | 271484660127 |
10 | 87770000680 |
11 | 3424a97164a |
12 | 15015bb4574 |
13 | 8379b1905b |
14 | 4368a91bcc |
15 | 243a6d61da |
hex | 146f7fed28 |
87770000680 has 32 divisors (see below), whose sum is σ = 207876319200. Its totient is φ = 33260210496.
The previous prime is 87770000671. The next prime is 87770000753. The reversal of 87770000680 is 8600007778.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57742662 + ... + 57744181.
It is an arithmetic number, because the mean of its divisors is an integer number (6496134975).
Almost surely, 287770000680 is an apocalyptic number.
It is an amenable number.
87770000680 is an abundant number, since it is smaller than the sum of its proper divisors (120106318520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87770000680 is a wasteful number, since it uses less digits than its factorization.
87770000680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115486873 (or 115486869 counting only the distinct ones).
The product of its (nonzero) digits is 131712, while the sum is 43.
The spelling of 87770000680 in words is "eighty-seven billion, seven hundred seventy million, six hundred eighty", and thus it is an aban number.
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