Base | Representation |
---|---|
bin | 111101000100100… |
… | …0010101011110111 |
3 | 12021210220200002220 |
4 | 1322021002223313 |
5 | 13144043100042 |
6 | 535201133423 |
7 | 101531555520 |
oct | 17211025367 |
9 | 5253820086 |
10 | 2049190647 |
11 | 961795299 |
12 | 49232a273 |
13 | 26870b25a |
14 | 156221847 |
15 | bed7c8ec |
hex | 7a242af7 |
2049190647 has 32 divisors (see below), whose sum is σ = 3275261952. Its totient is φ = 1115057664.
The previous prime is 2049190607. The next prime is 2049190667. The reversal of 2049190647 is 7460919402.
It is not a de Polignac number, because 2049190647 - 215 = 2049157879 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2049190599 and 2049190608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2049190607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8463 + ... + 64575.
It is an arithmetic number, because the mean of its divisors is an integer number (102351936).
Almost surely, 22049190647 is an apocalyptic number.
2049190647 is a deficient number, since it is larger than the sum of its proper divisors (1226071305).
2049190647 is a wasteful number, since it uses less digits than its factorization.
2049190647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56207.
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 2049190647 is about 45267.9869996447. The cubic root of 2049190647 is about 1270.1668921147.
The spelling of 2049190647 in words is "two billion, forty-nine million, one hundred ninety thousand, six hundred forty-seven".
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