Base | Representation |
---|---|
bin | 101000101001111001… |
… | …1101110111101001101 |
3 | 22100100110112200111101 |
4 | 1101103303232331031 |
5 | 2412300141312100 |
6 | 104035122023101 |
7 | 6210336540025 |
oct | 1212363567515 |
9 | 270313480441 |
10 | 87305416525 |
11 | 340316a46a8 |
12 | 14b064a7a91 |
13 | 83047b40a2 |
14 | 43230b8a85 |
15 | 240ea1686a |
hex | 1453ceef4d |
87305416525 has 12 divisors (see below), whose sum is σ = 112965617952. Its totient is φ = 66807622640.
The previous prime is 87305416519. The next prime is 87305416531. The reversal of 87305416525 is 52561450378.
It is an interprime number because it is at equal distance from previous prime (87305416519) and next prime (87305416531).
It is not a de Polignac number, because 87305416525 - 211 = 87305414477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75917179 + ... + 75918328.
It is an arithmetic number, because the mean of its divisors is an integer number (9413801496).
Almost surely, 287305416525 is an apocalyptic number.
It is an amenable number.
87305416525 is a deficient number, since it is larger than the sum of its proper divisors (25660201427).
87305416525 is a wasteful number, since it uses less digits than its factorization.
87305416525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151835540 (or 151835535 counting only the distinct ones).
The product of its (nonzero) digits is 1008000, while the sum is 46.
The spelling of 87305416525 in words is "eighty-seven billion, three hundred five million, four hundred sixteen thousand, five hundred twenty-five".
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