Base | Representation |
---|---|
bin | 1111100000111… |
… | …11001111111111 |
3 | 100001220101012002 |
4 | 13300133033333 |
5 | 231304321143 |
6 | 20525332515 |
7 | 3140161133 |
oct | 760371777 |
9 | 301811162 |
10 | 130151423 |
11 | 67515766 |
12 | 3770713b |
13 | 20c6c69c |
14 | 133dd3c3 |
15 | b65d5b8 |
hex | 7c1f3ff |
130151423 has 4 divisors (see below), whose sum is σ = 134349888. Its totient is φ = 125952960.
The previous prime is 130151419. The next prime is 130151429. The reversal of 130151423 is 324151031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324151031 = 1471 ⋅220361.
It is a cyclic number.
It is not a de Polignac number, because 130151423 - 22 = 130151419 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 130151395 and 130151404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130151429) 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, 2099186 + ... + 2099247.
It is an arithmetic number, because the mean of its divisors is an integer number (33587472).
Almost surely, 2130151423 is an apocalyptic number.
130151423 is a deficient number, since it is larger than the sum of its proper divisors (4198465).
130151423 is an equidigital number, since it uses as much as digits as its factorization.
130151423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4198464.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 130151423 is about 11408.3926562860. The cubic root of 130151423 is about 506.7763123064.
The spelling of 130151423 in words is "one hundred thirty million, one hundred fifty-one thousand, four hundred twenty-three".
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