Base | Representation |
---|---|
bin | 11001111110111100… |
… | …01101111111001110 |
3 | 1100000011222122210220 |
4 | 30333132031333032 |
5 | 212032121204420 |
6 | 10224120212210 |
7 | 1002455146116 |
oct | 147736157716 |
9 | 40004878726 |
10 | 13949788110 |
11 | 5a09323305 |
12 | 285390a066 |
13 | 14140ab1bb |
14 | 964966046 |
15 | 569a15840 |
hex | 33f78dfce |
13949788110 has 32 divisors (see below), whose sum is σ = 33578861472. Its totient is φ = 3708902400.
The previous prime is 13949788109. The next prime is 13949788117. The reversal of 13949788110 is 1188794931.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13949788117) 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, 679791 + ... + 700010.
It is an arithmetic number, because the mean of its divisors is an integer number (1049339421).
Almost surely, 213949788110 is an apocalyptic number.
13949788110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13949788110 is an abundant number, since it is smaller than the sum of its proper divisors (19629073362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13949788110 is a wasteful number, since it uses less digits than its factorization.
13949788110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1380148.
The product of its (nonzero) digits is 435456, while the sum is 51.
The spelling of 13949788110 in words is "thirteen billion, nine hundred forty-nine million, seven hundred eighty-eight thousand, one hundred ten".
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