Base | Representation |
---|---|
bin | 11011111001110000… |
… | …10101111001110001 |
3 | 1102122222121012120011 |
4 | 31330320111321301 |
5 | 221134342441244 |
6 | 10514242214521 |
7 | 1040135202544 |
oct | 157470257161 |
9 | 42588535504 |
10 | 14980046449 |
11 | 6397933685 |
12 | 2aa0954441 |
13 | 1549680b14 |
14 | a2170c85b |
15 | 5ca1c2434 |
hex | 37ce15e71 |
14980046449 has 3 divisors (see below), whose sum is σ = 14980168843. Its totient is φ = 14979924056.
The previous prime is 14980046423. The next prime is 14980046489. The reversal of 14980046449 is 94464008941.
The square root of 14980046449 is 122393.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 6175602225 + 8804444224 = 78585^2 + 93832^2 .
It is not a de Polignac number, because 14980046449 - 233 = 6390111857 is a prime.
It is a super-2 number, since 2×149800464492 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14980046489) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 61197 + ... + 183589.
Almost surely, 214980046449 is an apocalyptic number.
14980046449 is the 122393-rd square number.
14980046449 is the 61197-th centered octagonal number.
It is an amenable number.
14980046449 is a deficient number, since it is larger than the sum of its proper divisors (122394).
14980046449 is an frugal number, since it uses more digits than its factorization.
14980046449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244786 (or 122393 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 49.
Multiplying 14980046449 by its sum of digits (49), we get a square (734022276001 = 8567512).
It can be divided in two parts, 149800 and 46449, that added together give a square (196249 = 4432).
The spelling of 14980046449 in words is "fourteen billion, nine hundred eighty million, forty-six thousand, four hundred forty-nine".
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