Base | Representation |
---|---|
bin | 1111100100000… |
… | …00111101011011 |
3 | 100002122201012001 |
4 | 13302000331123 |
5 | 231410123033 |
6 | 20542101431 |
7 | 3143446015 |
oct | 762007533 |
9 | 302581161 |
10 | 130551643 |
11 | 67769422 |
12 | 3787a877 |
13 | 2107c8c1 |
14 | 134a51b5 |
15 | b6dbe7d |
hex | 7c80f5b |
130551643 has 2 divisors, whose sum is σ = 130551644. Its totient is φ = 130551642.
The previous prime is 130551607. The next prime is 130551661. The reversal of 130551643 is 346155031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130551643 - 225 = 96997211 is a prime.
It is not a weakly prime, because it can be changed into another prime (130557643) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65275821 + 65275822.
It is an arithmetic number, because the mean of its divisors is an integer number (65275822).
Almost surely, 2130551643 is an apocalyptic number.
130551643 is a deficient number, since it is larger than the sum of its proper divisors (1).
130551643 is an equidigital number, since it uses as much as digits as its factorization.
130551643 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5400, while the sum is 28.
The square root of 130551643 is about 11425.9197879208. The cubic root of 130551643 is about 507.2952321682.
The spelling of 130551643 in words is "one hundred thirty million, five hundred fifty-one thousand, six hundred forty-three".
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