Base | Representation |
---|---|
bin | 1111100001101… |
… | …01111010110110 |
3 | 100002002002120011 |
4 | 13300311322312 |
5 | 231320304103 |
6 | 20531330434 |
7 | 3141025633 |
oct | 760657266 |
9 | 302062504 |
10 | 130244278 |
11 | 675794aa |
12 | 37750a1a |
13 | 20ca2a28 |
14 | 1342518a |
15 | b67ad6d |
hex | 7c35eb6 |
130244278 has 16 divisors (see below), whose sum is σ = 212742000. Its totient is φ = 59566752.
The previous prime is 130244273. The next prime is 130244311. The reversal of 130244278 is 872442031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130244273) 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 7 ways as a sum of consecutive naturals, for example, 57993 + ... + 60196.
It is an arithmetic number, because the mean of its divisors is an integer number (13296375).
Almost surely, 2130244278 is an apocalyptic number.
130244278 is a deficient number, since it is larger than the sum of its proper divisors (82497722).
130244278 is a wasteful number, since it uses less digits than its factorization.
130244278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118239.
The product of its (nonzero) digits is 10752, while the sum is 31.
The square root of 130244278 is about 11412.4615223886. The cubic root of 130244278 is about 506.8968015211.
The spelling of 130244278 in words is "one hundred thirty million, two hundred forty-four thousand, two hundred seventy-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •