Base | Representation |
---|---|
bin | 11100001010001101… |
… | …10110010010100000 |
3 | 1110000121022100221210 |
4 | 32011012312102200 |
5 | 221430211114343 |
6 | 10540052350120 |
7 | 1043432306433 |
oct | 160506662240 |
9 | 43017270853 |
10 | 15118066848 |
11 | 6458833425 |
12 | 2b1b015340 |
13 | 156c1470b1 |
14 | a35b9981a |
15 | 5d7387333 |
hex | 3851b64a0 |
15118066848 has 96 divisors (see below), whose sum is σ = 40106586240. Its totient is φ = 4986086400.
The previous prime is 15118066841. The next prime is 15118066853. The reversal of 15118066848 is 84866081151.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 15118066797 and 15118066806.
It is not an unprimeable number, because it can be changed into a prime (15118066841) 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, 3897486 + ... + 3901362.
It is an arithmetic number, because the mean of its divisors is an integer number (417776940).
Almost surely, 215118066848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15118066848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20053293120).
15118066848 is an abundant number, since it is smaller than the sum of its proper divisors (24988519392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15118066848 is a wasteful number, since it uses less digits than its factorization.
15118066848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4310 (or 4302 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 48.
The spelling of 15118066848 in words is "fifteen billion, one hundred eighteen million, sixty-six thousand, eight hundred forty-eight".
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