Base | Representation |
---|---|
bin | 1111100010100… |
… | …10100100010100 |
3 | 100002022001112011 |
4 | 13301102210110 |
5 | 231333032440 |
6 | 20534034004 |
7 | 3142025014 |
oct | 761224424 |
9 | 302261464 |
10 | 130361620 |
11 | 67649684 |
12 | 377a8904 |
13 | 2101426c |
14 | 13455c44 |
15 | b6a09ea |
hex | 7c52914 |
130361620 has 12 divisors (see below), whose sum is σ = 273759444. Its totient is φ = 52144640.
The previous prime is 130361573. The next prime is 130361687. The reversal of 130361620 is 26163031.
It can be written as a sum of positive squares in 2 ways, for example, as 39388176 + 90973444 = 6276^2 + 9538^2 .
It is a junction number, because it is equal to n+sod(n) for n = 130361591 and 130361600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3259021 + ... + 3259060.
It is an arithmetic number, because the mean of its divisors is an integer number (22813287).
Almost surely, 2130361620 is an apocalyptic number.
130361620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130361620 is an abundant number, since it is smaller than the sum of its proper divisors (143397824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130361620 is a wasteful number, since it uses less digits than its factorization.
130361620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6518090 (or 6518088 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 130361620 is about 11417.6013242712. The cubic root of 130361620 is about 507.0489833332.
The spelling of 130361620 in words is "one hundred thirty million, three hundred sixty-one thousand, six hundred twenty".
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