Base | Representation |
---|---|
bin | 11010100010011111… |
… | …00010111100100000 |
3 | 1100202221222220220100 |
4 | 31101033202330200 |
5 | 213134432303210 |
6 | 10313450342400 |
7 | 1013035264263 |
oct | 152117427440 |
9 | 40687886810 |
10 | 14247931680 |
11 | 6051649a54 |
12 | 291772aa00 |
13 | 1460aa9008 |
14 | 9923b4cda |
15 | 585ca95c0 |
hex | 3513e2f20 |
14247931680 has 288 divisors, whose sum is σ = 49674643200. Its totient is φ = 3718066176.
The previous prime is 14247931661. The next prime is 14247931697. The reversal of 14247931680 is 8613974241.
14247931680 is a `hidden beast` number, since 14 + 2 + 479 + 3 + 168 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13712601 + ... + 13713639.
It is an arithmetic number, because the mean of its divisors is an integer number (172481400).
Almost surely, 214247931680 is an apocalyptic number.
14247931680 is a gapful number since it is divisible by the number (10) 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 14247931680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24837321600).
14247931680 is an abundant number, since it is smaller than the sum of its proper divisors (35426711520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14247931680 is a wasteful number, since it uses less digits than its factorization.
14247931680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1256 (or 1245 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 14247931680 in words is "fourteen billion, two hundred forty-seven million, nine hundred thirty-one thousand, six hundred eighty".
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