Base | Representation |
---|---|
bin | 1111100000011… |
… | …11101101011111 |
3 | 100001210010212202 |
4 | 13300033231133 |
5 | 231300302100 |
6 | 20524122115 |
7 | 3136504436 |
oct | 760175537 |
9 | 301703782 |
10 | 130087775 |
11 | 67481964 |
12 | 3769633b |
13 | 20c4971c |
14 | 133c411d |
15 | b6497d5 |
hex | 7c0fb5f |
130087775 has 24 divisors (see below), whose sum is σ = 173441280. Its totient is φ = 96478560.
The previous prime is 130087739. The next prime is 130087817. The reversal of 130087775 is 577780031.
It is a de Polignac number, because none of the positive numbers 2k-130087775 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19412 + ... + 25238.
It is an arithmetic number, because the mean of its divisors is an integer number (7226720).
Almost surely, 2130087775 is an apocalyptic number.
130087775 is a deficient number, since it is larger than the sum of its proper divisors (43353505).
130087775 is a wasteful number, since it uses less digits than its factorization.
130087775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5903 (or 5898 counting only the distinct ones).
The product of its (nonzero) digits is 41160, while the sum is 38.
The square root of 130087775 is about 11405.6027898573. The cubic root of 130087775 is about 506.6936891655.
The spelling of 130087775 in words is "one hundred thirty million, eighty-seven thousand, seven hundred seventy-five".
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