Base | Representation |
---|---|
bin | 11001111010110101… |
… | …10000001010100000 |
3 | 1022220210010202102200 |
4 | 30331122300022200 |
5 | 211444310400323 |
6 | 10220445413200 |
7 | 1001556211620 |
oct | 147532601240 |
9 | 38823122380 |
10 | 13915325088 |
11 | 59a0924775 |
12 | 284426a200 |
13 | 1409c02992 |
14 | 960154880 |
15 | 5669a9443 |
hex | 33d6b02a0 |
13915325088 has 144 divisors (see below), whose sum is σ = 45440531136. Its totient is φ = 3956843520.
The previous prime is 13915325087. The next prime is 13915325117. The reversal of 13915325088 is 88052351931.
13915325088 is a `hidden beast` number, since 1 + 3 + 91 + 53 + 2 + 508 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is not an unprimeable number, because it can be changed into a prime (13915325087) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409020 + ... + 441732.
It is an arithmetic number, because the mean of its divisors is an integer number (315559244).
Almost surely, 213915325088 is an apocalyptic number.
13915325088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13915325088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22720265568).
13915325088 is an abundant number, since it is smaller than the sum of its proper divisors (31525206048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13915325088 is a wasteful number, since it uses less digits than its factorization.
13915325088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32947 (or 32936 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 45.
The spelling of 13915325088 in words is "thirteen billion, nine hundred fifteen million, three hundred twenty-five thousand, eighty-eight".
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