Base | Representation |
---|---|
bin | 1111100000001… |
… | …11111110111011 |
3 | 100001201112110110 |
4 | 13300013332323 |
5 | 231243243443 |
6 | 20523315403 |
7 | 3136313241 |
oct | 760077673 |
9 | 301645413 |
10 | 130056123 |
11 | 674600aa |
12 | 3767bb63 |
13 | 20c381b2 |
14 | 133b6791 |
15 | b640233 |
hex | 7c07fbb |
130056123 has 8 divisors (see below), whose sum is σ = 177441088. Its totient is φ = 84687624.
The previous prime is 130056109. The next prime is 130056133. The reversal of 130056123 is 321650031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130056123 - 216 = 129990587 is a prime.
It is a super-2 number, since 2×1300561232 = 33829190259582258, which contains 22 as substring.
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 130056123.
It is not an unprimeable number, because it can be changed into a prime (130056133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503965 + ... + 504222.
It is an arithmetic number, because the mean of its divisors is an integer number (22180136).
Almost surely, 2130056123 is an apocalyptic number.
130056123 is a deficient number, since it is larger than the sum of its proper divisors (47384965).
130056123 is a wasteful number, since it uses less digits than its factorization.
130056123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1008233.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 130056123 is about 11404.2151417798. The cubic root of 130056123 is about 506.6525908390.
The spelling of 130056123 in words is "one hundred thirty million, fifty-six thousand, one hundred twenty-three".
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