Base | Representation |
---|---|
bin | 11000111111100110… |
… | …10000010110111010 |
3 | 1021122011010222011101 |
4 | 30133303100112322 |
5 | 204440104310210 |
6 | 10055255322014 |
7 | 653343534541 |
oct | 143763202672 |
9 | 37564128141 |
10 | 13418431930 |
11 | 576639a572 |
12 | 272598030a |
13 | 135ac97a67 |
14 | 91416b158 |
15 | 538056a3a |
hex | 31fcd05ba |
13418431930 has 8 divisors (see below), whose sum is σ = 24153177492. Its totient is φ = 5367372768.
The previous prime is 13418431919. The next prime is 13418431931. The reversal of 13418431930 is 3913481431.
It can be written as a sum of positive squares in 2 ways, for example, as 11282051089 + 2136380841 = 106217^2 + 46221^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13418431930.
It is not an unprimeable number, because it can be changed into a prime (13418431931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670921587 + ... + 670921606.
Almost surely, 213418431930 is an apocalyptic number.
13418431930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13418431930 is a deficient number, since it is larger than the sum of its proper divisors (10734745562).
13418431930 is a wasteful number, since it uses less digits than its factorization.
13418431930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1341843200.
The product of its (nonzero) digits is 31104, while the sum is 37.
The spelling of 13418431930 in words is "thirteen billion, four hundred eighteen million, four hundred thirty-one thousand, nine hundred thirty".
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