Base | Representation |
---|---|
bin | 10011110101101111000001… |
… | …010010101101010010001101 |
3 | 102102221112201001202220010221 |
4 | 103311233001102231102031 |
5 | 42414043232400300010 |
6 | 505324342553231341 |
7 | 24244000501402654 |
oct | 2365570122552215 |
9 | 372845631686127 |
10 | 87255503525005 |
11 | 2589093aaa2502 |
12 | 995284b702551 |
13 | 398c20a7c59aa |
14 | 17792904d219b |
15 | a14ab11badda |
hex | 4f5bc14ad48d |
87255503525005 has 8 divisors (see below), whose sum is σ = 107260423845624. Its totient is φ = 68101856409600.
The previous prime is 87255503524957. The next prime is 87255503525063. The reversal of 87255503525005 is 50052530555278.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 11905273961604 + 75350229563401 = 3450402^2 + 8680451^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87255503525005 - 215 = 87255503492237 is a prime.
It is a super-2 number, since 2×872555035250052 (a number of 29 digits) contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 212818301076 + ... + 212818301485.
It is an arithmetic number, because the mean of its divisors is an integer number (13407552980703).
Almost surely, 287255503525005 is an apocalyptic number.
It is an amenable number.
87255503525005 is a deficient number, since it is larger than the sum of its proper divisors (20004920320619).
87255503525005 is a wasteful number, since it uses less digits than its factorization.
87255503525005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425636602607.
The product of its (nonzero) digits is 10500000, while the sum is 52.
The spelling of 87255503525005 in words is "eighty-seven trillion, two hundred fifty-five billion, five hundred three million, five hundred twenty-five thousand, five".
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