Base | Representation |
---|---|
bin | 11010011110100100… |
… | …00111011111101010 |
3 | 1100200200010102102100 |
4 | 31033102013133222 |
5 | 213103023114432 |
6 | 10310313514230 |
7 | 1012155641040 |
oct | 151722073752 |
9 | 40620112370 |
10 | 14215051242 |
11 | 6035031437 |
12 | 2908712976 |
13 | 1457035c32 |
14 | 98bc96390 |
15 | 582e6207c |
hex | 34f4877ea |
14215051242 has 72 divisors (see below), whose sum is σ = 35876733984. Its totient is φ = 3984712992.
The previous prime is 14215051231. The next prime is 14215051243. The reversal of 14215051242 is 24215051241.
It is a happy number.
14215051242 is a `hidden beast` number, since 14 + 21 + 505 + 124 + 2 = 666.
It is not an unprimeable number, because it can be changed into a prime (14215051243) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 333853 + ... + 374015.
It is an arithmetic number, because the mean of its divisors is an integer number (498287972).
Almost surely, 214215051242 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 14215051242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17938366992).
14215051242 is an abundant number, since it is smaller than the sum of its proper divisors (21661682742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14215051242 is a wasteful number, since it uses less digits than its factorization.
14215051242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40284 (or 40228 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
Subtracting 14215051242 from its reverse (24215051241), we obtain a palindrome (9999999999).
The spelling of 14215051242 in words is "fourteen billion, two hundred fifteen million, fifty-one thousand, two hundred forty-two".
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