Base | Representation |
---|---|
bin | 1111100110001… |
… | …10111100110001 |
3 | 100010012021102202 |
4 | 13303012330301 |
5 | 231443311241 |
6 | 20552152545 |
7 | 3146051555 |
oct | 763067461 |
9 | 303167382 |
10 | 130838321 |
11 | 67944849 |
12 | 37998755 |
13 | 21150233 |
14 | 1353b865 |
15 | b746d9b |
hex | 7cc6f31 |
130838321 has 16 divisors (see below), whose sum is σ = 137625600. Its totient is φ = 124241040.
The previous prime is 130838297. The next prime is 130838333. The reversal of 130838321 is 123838031.
It is a cyclic number.
It is not a de Polignac number, because 130838321 - 210 = 130837297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130838021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657380 + ... + 657578.
It is an arithmetic number, because the mean of its divisors is an integer number (8601600).
Almost surely, 2130838321 is an apocalyptic number.
It is an amenable number.
130838321 is a deficient number, since it is larger than the sum of its proper divisors (6787279).
130838321 is a wasteful number, since it uses less digits than its factorization.
130838321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 130838321 is about 11438.4579817386. The cubic root of 130838321 is about 507.6662834468. Note that the first 3 decimals are identical.
The spelling of 130838321 in words is "one hundred thirty million, eight hundred thirty-eight thousand, three hundred twenty-one".
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