Base | Representation |
---|---|
bin | 11001010111001001… |
… | …11111001101000000 |
3 | 1022010220221101121212 |
4 | 30223210333031000 |
5 | 210341200040430 |
6 | 10131034305252 |
7 | 661263150116 |
oct | 145344771500 |
9 | 38126841555 |
10 | 13616018240 |
11 | 5857984040 |
12 | 277bb88228 |
13 | 138cbb8536 |
14 | 9324c1ab6 |
15 | 54a585b95 |
hex | 32b93f340 |
13616018240 has 56 divisors (see below), whose sum is σ = 35370711072. Its totient is φ = 4951278080.
The previous prime is 13616018179. The next prime is 13616018309. The reversal of 13616018240 is 4281061631.
13616018240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 13616018197 and 13616018206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930574 + ... + 1937613.
Almost surely, 213616018240 is an apocalyptic number.
13616018240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13616018240 is an abundant number, since it is smaller than the sum of its proper divisors (21754692832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13616018240 is a wasteful number, since it uses less digits than its factorization.
13616018240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3868215 (or 3868205 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
Adding to 13616018240 its reverse (4281061631), we get a palindrome (17897079871).
The spelling of 13616018240 in words is "thirteen billion, six hundred sixteen million, eighteen thousand, two hundred forty".
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