Base | Representation |
---|---|
bin | 1111100100000… |
… | …11000001111011 |
3 | 100002200010211010 |
4 | 13302003001323 |
5 | 231410410443 |
6 | 20542205003 |
7 | 3143512521 |
oct | 762030173 |
9 | 302603733 |
10 | 130560123 |
11 | 67774831 |
12 | 37883763 |
13 | 21083715 |
14 | 134a8311 |
15 | b6de733 |
hex | 7c8307b |
130560123 has 4 divisors (see below), whose sum is σ = 174080168. Its totient is φ = 87040080.
The previous prime is 130560109. The next prime is 130560137. The reversal of 130560123 is 321065031.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (130560109) and next prime (130560137).
It is not a de Polignac number, because 130560123 - 213 = 130551931 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130560123.
It is not an unprimeable number, because it can be changed into a prime (130560103) 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, 21760018 + ... + 21760023.
It is an arithmetic number, because the mean of its divisors is an integer number (43520042).
Almost surely, 2130560123 is an apocalyptic number.
130560123 is a deficient number, since it is larger than the sum of its proper divisors (43520045).
130560123 is an equidigital number, since it uses as much as digits as its factorization.
130560123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43520044.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 130560123 is about 11426.2908679939. The cubic root of 130560123 is about 507.3062157410.
The spelling of 130560123 in words is "one hundred thirty million, five hundred sixty thousand, one hundred twenty-three".
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