Base | Representation |
---|---|
bin | 1111100101111… |
… | …00010111000011 |
3 | 100010010001221022 |
4 | 13302330113003 |
5 | 231440414242 |
6 | 20551220055 |
7 | 3145511243 |
oct | 762742703 |
9 | 303101838 |
10 | 130794947 |
11 | 679151a8 |
12 | 3797762b |
13 | 2113657a |
14 | 13529b23 |
15 | b7390d2 |
hex | 7cbc5c3 |
130794947 has 2 divisors, whose sum is σ = 130794948. Its totient is φ = 130794946.
The previous prime is 130794943. The next prime is 130794967. The reversal of 130794947 is 749497031.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (749497031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130794947 - 22 = 130794943 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130794898 and 130794907.
It is not a weakly prime, because it can be changed into another prime (130794943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65397473 + 65397474.
It is an arithmetic number, because the mean of its divisors is an integer number (65397474).
Almost surely, 2130794947 is an apocalyptic number.
130794947 is a deficient number, since it is larger than the sum of its proper divisors (1).
130794947 is an equidigital number, since it uses as much as digits as its factorization.
130794947 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 190512, while the sum is 44.
The square root of 130794947 is about 11436.5618522351. The cubic root of 130794947 is about 507.6101787040.
The spelling of 130794947 in words is "one hundred thirty million, seven hundred ninety-four thousand, nine hundred forty-seven".
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