Base | Representation |
---|---|
bin | 111100110001110101… |
… | …1000100010101101110 |
3 | 110110220020202122122000 |
4 | 1321203223010111232 |
5 | 4114301420100410 |
6 | 135543255233130 |
7 | 12300303230034 |
oct | 1714353042556 |
9 | 413806678560 |
10 | 130521253230 |
11 | 50398932425 |
12 | 213673787a6 |
13 | c400b8b5b4 |
14 | 64627d4554 |
15 | 35dd9c8dc0 |
hex | 1e63ac456e |
130521253230 has 128 divisors (see below), whose sum is σ = 360261302400. Its totient is φ = 33586560000.
The previous prime is 130521253211. The next prime is 130521253253. The reversal of 130521253230 is 32352125031.
It is a happy number.
130521253230 is a `hidden beast` number, since 1 + 305 + 2 + 125 + 3 + 230 = 666.
It is a super-3 number, since 3×1305212532303 (a number of 34 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 130521253194 and 130521253203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18639730 + ... + 18646730.
It is an arithmetic number, because the mean of its divisors is an integer number (2814541425).
Almost surely, 2130521253230 is an apocalyptic number.
130521253230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 130521253230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180130651200).
130521253230 is an abundant number, since it is smaller than the sum of its proper divisors (229740049170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130521253230 is a wasteful number, since it uses less digits than its factorization.
130521253230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9427 (or 9421 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 130521253230 its reverse (32352125031), we get a palindrome (162873378261).
The spelling of 130521253230 in words is "one hundred thirty billion, five hundred twenty-one million, two hundred fifty-three thousand, two hundred thirty".
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