Base | Representation |
---|---|
bin | 1111100101100… |
… | …00111001111011 |
3 | 100010000200120112 |
4 | 13302300321323 |
5 | 231432414102 |
6 | 20550214535 |
7 | 3145224404 |
oct | 762607173 |
9 | 303020515 |
10 | 130748027 |
11 | 67892a23 |
12 | 3795444b |
13 | 2111b0c7 |
14 | 135169ab |
15 | b72a252 |
hex | 7cb0e7b |
130748027 has 6 divisors (see below), whose sum is σ = 131281932. Its totient is φ = 130216232.
The previous prime is 130748017. The next prime is 130748029. The reversal of 130748027 is 720847031.
It is a happy number.
It is not a de Polignac number, because 130748027 - 24 = 130748011 is a prime.
It is a super-3 number, since 3×1307480273 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130747984 and 130748002.
It is not an unprimeable number, because it can be changed into a prime (130748029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85088 + ... + 86610.
It is an arithmetic number, because the mean of its divisors is an integer number (21880322).
Almost surely, 2130748027 is an apocalyptic number.
130748027 is a deficient number, since it is larger than the sum of its proper divisors (533905).
130748027 is an frugal number, since it uses more digits than its factorization.
130748027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2109 (or 1816 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 32.
The square root of 130748027 is about 11434.5103524375. The cubic root of 130748027 is about 507.5494732036.
The spelling of 130748027 in words is "one hundred thirty million, seven hundred forty-eight thousand, twenty-seven".
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