Base | Representation |
---|---|
bin | 11011111000011111… |
… | …01011101110001110 |
3 | 1102122020112200210202 |
4 | 31330033223232032 |
5 | 221124130403133 |
6 | 10513221533502 |
7 | 1036645461242 |
oct | 157417535616 |
9 | 42566480722 |
10 | 14969387918 |
11 | 6391913781 |
12 | 2a99274292 |
13 | 15473bb5b4 |
14 | a20136422 |
15 | 5c92b92e8 |
hex | 37c3ebb8e |
14969387918 has 16 divisors (see below), whose sum is σ = 23641163520. Its totient is φ = 7089176376.
The previous prime is 14969387891. The next prime is 14969387929. The reversal of 14969387918 is 81978396941.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137771 + ... + 221177.
It is an arithmetic number, because the mean of its divisors is an integer number (1477572720).
Almost surely, 214969387918 is an apocalyptic number.
14969387918 is a deficient number, since it is larger than the sum of its proper divisors (8671775602).
14969387918 is a wasteful number, since it uses less digits than its factorization.
14969387918 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88151.
The product of its digits is 23514624, while the sum is 65.
The spelling of 14969387918 in words is "fourteen billion, nine hundred sixty-nine million, three hundred eighty-seven thousand, nine hundred eighteen".
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