Base | Representation |
---|---|
bin | 101001111100000100… |
… | …101010101001011101 |
3 | 11022020022021120211001 |
4 | 221330010222221131 |
5 | 1214211001133010 |
6 | 32404224230301 |
7 | 3152626326250 |
oct | 517404525135 |
9 | 138208246731 |
10 | 45031271005 |
11 | 18108a84456 |
12 | 8888a6b391 |
13 | 432853c7b6 |
14 | 227288d097 |
15 | 1288568c3a |
hex | a7c12aa5d |
45031271005 has 16 divisors (see below), whose sum is σ = 65007550080. Its totient is φ = 29253396672.
The previous prime is 45031270997. The next prime is 45031271009. The reversal of 45031271005 is 50017213054.
It is a happy number.
45031271005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 45031271005 - 23 = 45031270997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45031271009) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33857434 + ... + 33858763.
It is an arithmetic number, because the mean of its divisors is an integer number (4062971880).
Almost surely, 245031271005 is an apocalyptic number.
It is an amenable number.
45031271005 is a deficient number, since it is larger than the sum of its proper divisors (19976279075).
45031271005 is a wasteful number, since it uses less digits than its factorization.
45031271005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67716228.
The product of its (nonzero) digits is 4200, while the sum is 28.
Adding to 45031271005 its reverse (50017213054), we get a palindrome (95048484059).
The spelling of 45031271005 in words is "forty-five billion, thirty-one million, two hundred seventy-one thousand, five".
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