Base | Representation |
---|---|
bin | 1111100011010… |
… | …01100011010001 |
3 | 100002110211122212 |
4 | 13301221203101 |
5 | 231344041021 |
6 | 20540041505 |
7 | 3142566332 |
oct | 761514321 |
9 | 302424585 |
10 | 130455761 |
11 | 67703387 |
12 | 37833295 |
13 | 21048077 |
14 | 1347c289 |
15 | b6bd85b |
hex | 7c698d1 |
130455761 has 2 divisors, whose sum is σ = 130455762. Its totient is φ = 130455760.
The previous prime is 130455751. The next prime is 130455763. The reversal of 130455761 is 167554031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 92756161 + 37699600 = 9631^2 + 6140^2 .
It is a cyclic number.
It is not a de Polignac number, because 130455761 - 26 = 130455697 is a prime.
Together with 130455763, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130455763) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65227880 + 65227881.
It is an arithmetic number, because the mean of its divisors is an integer number (65227881).
Almost surely, 2130455761 is an apocalyptic number.
It is an amenable number.
130455761 is a deficient number, since it is larger than the sum of its proper divisors (1).
130455761 is an equidigital number, since it uses as much as digits as its factorization.
130455761 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12600, while the sum is 32.
The square root of 130455761 is about 11421.7232062417. The cubic root of 130455761 is about 507.1710095669.
The spelling of 130455761 in words is "one hundred thirty million, four hundred fifty-five thousand, seven hundred sixty-one".
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