Base | Representation |
---|---|
bin | 11101011100000101… |
… | …00100001101111100 |
3 | 1111210110112112121100 |
4 | 32232002210031330 |
5 | 224332012410413 |
6 | 11132143533100 |
7 | 1066441445403 |
oct | 165602441574 |
9 | 44713475540 |
10 | 15804810108 |
11 | 678044883a |
12 | 3090bba190 |
13 | 164b4c4459 |
14 | a9d08263a |
15 | 6277dba73 |
hex | 3ae0a437c |
15804810108 has 36 divisors (see below), whose sum is σ = 41328672840. Its totient is φ = 5086605216.
The previous prime is 15804810107. The next prime is 15804810143. The reversal of 15804810108 is 80101840851.
It is a happy number.
15804810108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15804810107) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 7568310 + ... + 7570397.
It is an arithmetic number, because the mean of its divisors is an integer number (1148018690).
Almost surely, 215804810108 is an apocalyptic number.
15804810108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
15804810108 is an abundant number, since it is smaller than the sum of its proper divisors (25523862732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15804810108 is a wasteful number, since it uses less digits than its factorization.
15804810108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15138746 (or 15138741 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 36.
The spelling of 15804810108 in words is "fifteen billion, eight hundred four million, eight hundred ten thousand, one hundred eight".
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