Base | Representation |
---|---|
bin | 1111100000100… |
… | …11010001001000 |
3 | 100001210212212100 |
4 | 13300103101020 |
5 | 231301233334 |
6 | 20524313400 |
7 | 3136565061 |
oct | 760232110 |
9 | 301725770 |
10 | 130102344 |
11 | 674918a9 |
12 | 376a2860 |
13 | 20c53248 |
14 | 133c9568 |
15 | b64dc99 |
hex | 7c13448 |
130102344 has 24 divisors (see below), whose sum is σ = 352360710. Its totient is φ = 43367424.
The previous prime is 130102339. The next prime is 130102351. The reversal of 130102344 is 443201031.
It can be written as a sum of positive squares in only one way, i.e., 108368100 + 21734244 = 10410^2 + 4662^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 903417 + ... + 903560.
Almost surely, 2130102344 is an apocalyptic number.
It is an amenable number.
130102344 is an abundant number, since it is smaller than the sum of its proper divisors (222258366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130102344 is a wasteful number, since it uses less digits than its factorization.
130102344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1806989 (or 1806982 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 130102344 is about 11406.2414493119. The cubic root of 130102344 is about 506.7126039451.
Adding to 130102344 its reverse (443201031), we get a palindrome (573303375).
The spelling of 130102344 in words is "one hundred thirty million, one hundred two thousand, three hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •