Base | Representation |
---|---|
bin | 1111100010100… |
… | …10100100010101 |
3 | 100002022001112012 |
4 | 13301102210111 |
5 | 231333032441 |
6 | 20534034005 |
7 | 3142025015 |
oct | 761224425 |
9 | 302261465 |
10 | 130361621 |
11 | 67649685 |
12 | 377a8905 |
13 | 21014270 |
14 | 13455c45 |
15 | b6a09eb |
hex | 7c52915 |
130361621 has 16 divisors (see below), whose sum is σ = 143472000. Its totient is φ = 117713088.
The previous prime is 130361573. The next prime is 130361687. The reversal of 130361621 is 126163031.
130361621 = T228 + T229 + ... + T925.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 130361621 - 26 = 130361557 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130361521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267440 + ... + 267926.
It is an arithmetic number, because the mean of its divisors is an integer number (8967000).
Almost surely, 2130361621 is an apocalyptic number.
It is an amenable number.
130361621 is a deficient number, since it is larger than the sum of its proper divisors (13110379).
130361621 is a wasteful number, since it uses less digits than its factorization.
130361621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 908.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 130361621 is about 11417.6013680633. The cubic root of 130361621 is about 507.0489846297.
The spelling of 130361621 in words is "one hundred thirty million, three hundred sixty-one thousand, six hundred twenty-one".
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