Base | Representation |
---|---|
bin | 11011111001100001… |
… | …10011100101111001 |
3 | 1102122211212211121212 |
4 | 31330300303211321 |
5 | 221133341232110 |
6 | 10514132012505 |
7 | 1040112334130 |
oct | 157460634571 |
9 | 42584784555 |
10 | 14978070905 |
11 | 63968043a6 |
12 | 2aa0161135 |
13 | 154913b865 |
14 | a21356917 |
15 | 5c9e31e05 |
hex | 37cc33979 |
14978070905 has 32 divisors (see below), whose sum is σ = 20678152704. Its totient is φ = 10202443776.
The previous prime is 14978070901. The next prime is 14978070907. The reversal of 14978070905 is 50907087941.
It is not a de Polignac number, because 14978070905 - 22 = 14978070901 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14978070901) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6530939 + ... + 6533231.
It is an arithmetic number, because the mean of its divisors is an integer number (646192272).
Almost surely, 214978070905 is an apocalyptic number.
It is an amenable number.
14978070905 is a deficient number, since it is larger than the sum of its proper divisors (5700081799).
14978070905 is a wasteful number, since it uses less digits than its factorization.
14978070905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3465.
The product of its (nonzero) digits is 635040, while the sum is 50.
The spelling of 14978070905 in words is "fourteen billion, nine hundred seventy-eight million, seventy thousand, nine hundred five".
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