Base | Representation |
---|---|
bin | 1111100000110… |
… | …00011110111000 |
3 | 100001211222011110 |
4 | 13300120132320 |
5 | 231302424304 |
6 | 20525000320 |
7 | 3140014254 |
oct | 760303670 |
9 | 301758143 |
10 | 130123704 |
11 | 674a6957 |
12 | 376b30a0 |
13 | 20c5cb99 |
14 | 133d3264 |
15 | b655289 |
hex | 7c187b8 |
130123704 has 64 divisors (see below), whose sum is σ = 343728000. Its totient is φ = 40936320.
The previous prime is 130123691. The next prime is 130123717. The reversal of 130123704 is 407321031.
It is an interprime number because it is at equal distance from previous prime (130123691) and next prime (130123717).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209907 + ... + 210525.
It is an arithmetic number, because the mean of its divisors is an integer number (5370750).
Almost surely, 2130123704 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130123704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171864000).
130123704 is an abundant number, since it is smaller than the sum of its proper divisors (213604296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130123704 is a wasteful number, since it uses less digits than its factorization.
130123704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1108 (or 1104 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 130123704 is about 11407.1777403528. The cubic root of 130123704 is about 506.7403328561.
Adding to 130123704 its reverse (407321031), we get a palindrome (537444735).
The spelling of 130123704 in words is "one hundred thirty million, one hundred twenty-three thousand, seven hundred four".
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