Base | Representation |
---|---|
bin | 1111100001111… |
… | …10010100000110 |
3 | 100002010211201122 |
4 | 13300332110012 |
5 | 231322404122 |
6 | 20532153542 |
7 | 3141231113 |
oct | 760762406 |
9 | 302124648 |
10 | 130278662 |
11 | 675a2318 |
12 | 377688b2 |
13 | 20cb5587 |
14 | 1343390a |
15 | b686142 |
hex | 7c3e506 |
130278662 has 4 divisors (see below), whose sum is σ = 195417996. Its totient is φ = 65139330.
The previous prime is 130278637. The next prime is 130278671. The reversal of 130278662 is 266872031.
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: 266872031 = 71 ⋅3758761.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32569664 + ... + 32569667.
It is an arithmetic number, because the mean of its divisors is an integer number (48854499).
Almost surely, 2130278662 is an apocalyptic number.
130278662 is a deficient number, since it is larger than the sum of its proper divisors (65139334).
130278662 is an equidigital number, since it uses as much as digits as its factorization.
130278662 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65139333.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 130278662 is about 11413.9678464590. The cubic root of 130278662 is about 506.9414038800.
The spelling of 130278662 in words is "one hundred thirty million, two hundred seventy-eight thousand, six hundred sixty-two".
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