Base | Representation |
---|---|
bin | 1111100101001… |
… | …10101111010010 |
3 | 100002221120110021 |
4 | 13302212233102 |
5 | 231430101021 |
6 | 20545254054 |
7 | 3144662116 |
oct | 762465722 |
9 | 302846407 |
10 | 130706386 |
11 | 67864708 |
12 | 3793432a |
13 | 21105175 |
14 | 13505746 |
15 | b71cc41 |
hex | 7ca6bd2 |
130706386 has 8 divisors (see below), whose sum is σ = 196233084. Its totient is φ = 65295360.
The previous prime is 130706383. The next prime is 130706413. The reversal of 130706386 is 683607031.
It can be written as a sum of positive squares in 2 ways, for example, as 127577025 + 3129361 = 11295^2 + 1769^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (130706383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26035 + ... + 30646.
Almost surely, 2130706386 is an apocalyptic number.
130706386 is a deficient number, since it is larger than the sum of its proper divisors (65526698).
130706386 is a wasteful number, since it uses less digits than its factorization.
130706386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57836.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 130706386 is about 11432.6893599013. The cubic root of 130706386 is about 507.4955855537.
The spelling of 130706386 in words is "one hundred thirty million, seven hundred six thousand, three hundred eighty-six".
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