Base | Representation |
---|---|
bin | 11001101101111010… |
… | …11100110000101010 |
3 | 1022122020021021002202 |
4 | 30312331130300222 |
5 | 211234041331023 |
6 | 10202015300202 |
7 | 666102252260 |
oct | 146675346052 |
9 | 38566237082 |
10 | 13806980138 |
11 | 5945753596 |
12 | 2813b1a662 |
13 | 13c0629a43 |
14 | 94d9d0430 |
15 | 55c207128 |
hex | 336f5cc2a |
13806980138 has 8 divisors (see below), whose sum is σ = 23669108832. Its totient is φ = 5917277196.
The previous prime is 13806980137. The next prime is 13806980171. The reversal of 13806980138 is 83108960831.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×138069801382 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13806980092 and 13806980101.
It is not an unprimeable number, because it can be changed into a prime (13806980137) 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, 493106420 + ... + 493106447.
It is an arithmetic number, because the mean of its divisors is an integer number (2958638604).
Almost surely, 213806980138 is an apocalyptic number.
13806980138 is a deficient number, since it is larger than the sum of its proper divisors (9862128694).
13806980138 is an equidigital number, since it uses as much as digits as its factorization.
13806980138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 986212876.
The product of its (nonzero) digits is 248832, while the sum is 47.
The spelling of 13806980138 in words is "thirteen billion, eight hundred six million, nine hundred eighty thousand, one hundred thirty-eight".
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