Base | Representation |
---|---|
bin | 111100110101101100… |
… | …0111100101000011001 |
3 | 110111020021101021201221 |
4 | 1321223120330220121 |
5 | 4120033041031133 |
6 | 140004202212041 |
7 | 12303434542345 |
oct | 1715330745031 |
9 | 414207337657 |
10 | 130650720793 |
11 | 50454a2030a |
12 | 213a27b4021 |
13 | c42194b918 |
14 | 6475a96625 |
15 | 35ea04ea2d |
hex | 1e6b63ca19 |
130650720793 has 4 divisors (see below), whose sum is σ = 131944292388. Its totient is φ = 129357149200.
The previous prime is 130650720769. The next prime is 130650720799. The reversal of 130650720793 is 397027056031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397027056031 = 29 ⋅13690588139.
It can be written as a sum of positive squares in 2 ways, for example, as 87171381504 + 43479339289 = 295248^2 + 208517^2 .
It is a cyclic number.
It is not a de Polignac number, because 130650720793 - 213 = 130650712601 is a prime.
It is a super-2 number, since 2×1306507207932 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130650720799) 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, 646785646 + ... + 646785847.
It is an arithmetic number, because the mean of its divisors is an integer number (32986073097).
Almost surely, 2130650720793 is an apocalyptic number.
It is an amenable number.
130650720793 is a deficient number, since it is larger than the sum of its proper divisors (1293571595).
130650720793 is a wasteful number, since it uses less digits than its factorization.
130650720793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1293571594.
The product of its (nonzero) digits is 238140, while the sum is 43.
The spelling of 130650720793 in words is "one hundred thirty billion, six hundred fifty million, seven hundred twenty thousand, seven hundred ninety-three".
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